NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .H.INTERNAL_HUB Monthly Day Ahead Off-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE 

.H.INTERNAL_HUB, Day Ahead

Contract Code HPF

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .H.INTERNAL_HUB for all Off-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .H.INTERNAL_HUB Monthly Day Ahead On-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE 

.H.INTERNAL_HUB, Day Ahead

Contract Code HPE

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .H.INTERNAL_HUB for all On-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .I.ROSETON 345 1 Monthly Day Ahead Off-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE .I.ROSETON 345 

1, Day Ahead

Contract Code LNL

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .I.ROSETON 345 1 for all Off-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .I.ROSETON 345 1 Monthly Day Ahead Off-Peak Power Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Power, ISONE .I.ROSETON 345 1, Day Ahead

Contract Code LLP

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, based on 1 MW for each hour of the contract

Lot Size

Variable, expressed in megawatt hour (MWh). The Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the Lot Size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the Day 

Ahead hourly LMP for all Off-Peak hours. These price files can be found at the 

following link or at successor location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .I.ROSETON 345 1 Monthly Day Ahead On-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE .I.ROSETON 345 

1, Day Ahead

Contract Code LNK

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .I.ROSETON 345 1 for all On-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .I.ROSETON 345 1 Monthly Day Ahead On-Peak Power Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Power, ISONE .I.ROSETON 345 1, Day Ahead

Contract Code LLO

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, based on 1 MW for each hour of the contract

Lot Size

Variable, expressed in megawatt hour (MWh). The Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 332 On-Peak hours, the Lot Size equals 332 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the Day 

Ahead hourly LMP for all On-Peak hours. These price files can be found at the 

following link or at successor location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .I.SALBRYNB345 1 Monthly Day Ahead Off-Peak Power Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Power, ISONE .I.SALBRYNB345 1, Day Ahead

Contract Code LJJ

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, based on 1 MW for each hour of the contract

Lot Size

Variable, expressed in megawatt hour (MWh). The Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the Lot Size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the Day 

Ahead hourly LMP for all Off-Peak hours. These price files can be found at the 

following link or at successor location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .I.SALBRYNB345 1 Monthly Day Ahead On-Peak Power Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Power, ISONE .I.SALBRYNB345 1, Day Ahead

Contract Code LJI

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, based on 1 MW for each hour of the contract

Lot Size

Variable, expressed in megawatt hour (MWh). The Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 332 On-Peak hours, the Lot Size equals 332 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the Day 

Ahead hourly LMP for all On-Peak hours. These price files can be found at the 

following link or at successor location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE LD.SANDY_PD345 SMDINTLD Monthly Day Ahead Off-Peak Energy + 

Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE 

LD.SANDY_PD345 SMDINTLD, Day Ahead

Contract Code HPZ

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of LD.SANDY_PD345 SMDINTLD for all Off-Peak hours in the 

contract month. These price files can be found at the following link or at successor 

location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE LD.SANDY_PD345 SMDINTLD Monthly Day Ahead On-Peak Energy + 

Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE 

LD.SANDY_PD345 SMDINTLD, Day Ahead

Contract Code HPY

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of LD.SANDY_PD345 SMDINTLD for all On-Peak hours in the 

contract month. These price files can be found at the following link or at successor 

location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.BPT_ENER16 BHCC Monthly Day Ahead Off-Peak Power Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Power, ISONE UN.BPT_ENER16 BHCC, Day 

Ahead

Contract Code LJL

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, based on 1 MW for each hour of the contract

Lot Size

Variable, expressed in megawatt hour (MWh). The Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the Lot Size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the Day 

Ahead hourly LMP for all Off-Peak hours. These price files can be found at the 

following link or at successor location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.BPT_ENER16 BHCC Monthly Day Ahead On-Peak Power Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Power, ISONE UN.BPT_ENER16 BHCC, Day 

Ahead

Contract Code LJK

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, based on 1 MW for each hour of the contract

Lot Size

Variable, expressed in megawatt hour (MWh). The Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 332 On-Peak hours, the Lot Size equals 332 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the Day 

Ahead hourly LMP for all On-Peak hours. These price files can be found at the 

following link or at successor location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.KIBBY 34.5KIBY Monthly Day Ahead Off-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion, ISONE UN.KIBBY 

34.5KIBY, Day Ahead

Contract Code LVD

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 - 0700 and HE 2400, Monday through Friday, EPT and 

all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of UN.KIBBY 34.5KIBY for all Off-Peak hours in the contract 

month. These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.KIBBY 34.5KIBY Monthly Day Ahead On-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion, ISONE UN.KIBBY 

34.5KIBY, Day Ahead

Contract Code LVC

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 - 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of UN.KIBBY 34.5KIBY for all On-Peak hours in the contract 

month. These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.MYSTIC 18.1MYS8 Monthly Day Ahead Off-Peak Energy + 

Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE UN.MYSTIC 

18.1MYS8, Day Ahead

Contract Code HQB

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of UN.MYSTIC 18.1MYS8 for all Off-Peak hours in the contract 

month. These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.MYSTIC 18.1MYS8 Monthly Day Ahead On-Peak Energy + 

Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE UN.MYSTIC 

18.1MYS8, Day Ahead

Contract Code HQA

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of UN.MYSTIC 18.1MYS8 for all On-Peak hours in the contract 

month. These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.OCEAN_ST13.8OSP1 Monthly Day Ahead Off-Peak Energy + 

Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion, ISONE 

UN.OCEAN_ST13.8OSP1, Day Ahead

Contract Code LVH

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 - 0700 and HE 2400, Monday through Friday, EPT and 

all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of UN.OCEAN_ST13.8OSP1 for all Off-Peak hours in the contract 

month. These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.OCEAN_ST13.8OSP1 Monthly Day Ahead On-Peak Energy + 

Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion, ISONE 

UN.OCEAN_ST13.8OSP1, Day Ahead

Contract Code LVG

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 - 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of UN.OCEAN_ST13.8OSP1 for all On-Peak hours in the contract 

month. These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.RUMFD_IP18.0RUMF Monthly Day Ahead Off-Peak Power Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Power, ISONE UN.RUMFD_IP18.0RUMF, Day 

Ahead

Contract Code LJN

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, based on 1 MW for each hour of the contract

Lot Size

Variable, expressed in megawatt hour (MWh). The Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the Lot Size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the Day 

Ahead hourly LMP for all Off-Peak hours. These price files can be found at the 

following link or at successor location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.RUMFD_IP18.0RUMF Monthly Day Ahead On-Peak Power Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Power, ISONE UN.RUMFD_IP18.0RUMF, Day 

Ahead

Contract Code LJM

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, based on 1 MW for each hour of the contract

Lot Size

Variable, expressed in megawatt hour (MWh). The Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 332 On-Peak hours, the Lot Size equals 332 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the Day 

Ahead hourly LMP for all On-Peak hours. These price files can be found at the 

following link or at successor location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.SEABROOK24.5SBRK Monthly Day Ahead Off-Peak Energy + 

Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE 

UN.SEABROOK24.5SBRK, Day Ahead

Contract Code HPX

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of UN.SEABROOK24.5SBRK for all Off-Peak hours in the contract 

month. These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.SEABROOK24.5SBRK Monthly Day Ahead On-Peak Energy + 

Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE 

UN.SEABROOK24.5SBRK, Day Ahead

Contract Code HPW

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of UN.SEABROOK24.5SBRK for all On-Peak hours in the contract 

month. These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.TIVERTON18.0TIVR Monthly Day Ahead Off-Peak Power Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Power, ISONE UN.TIVERTON18.0TIVR, Day 

Ahead

Contract Code LJP

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, based on 1 MW for each hour of the contract

Lot Size

Variable, expressed in megawatt hour (MWh). The Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the Lot Size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the Day 

Ahead hourly LMP for all Off-Peak hours. These price files can be found at the 

following link or at successor location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.TIVERTON18.0TIVR Monthly Day Ahead On-Peak Power Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Power, ISONE UN.TIVERTON18.0TIVR, Day 

Ahead

Contract Code LJO

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, based on 1 MW for each hour of the contract

Lot Size

Variable, expressed in megawatt hour (MWh). The Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 332 On-Peak hours, the Lot Size equals 332 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the Day 

Ahead hourly LMP for all On-Peak hours. These price files can be found at the 

following link or at successor location. http://www.iso-ne.com/histRpts/dalmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.WALNGFRD13.8WAL1 Monthly Day Ahead Off-Peak Energy + 

Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion, ISONE 

UN.WALNGFRD13.8WAL1, Day Ahead

Contract Code LVL

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 - 0700 and HE 2400, Monday through Friday, EPT and 

all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of UN.WALNGFRD13.8WAL1 for all Off-Peak hours in the contract 

month. These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE UN.WALNGFRD13.8WAL1 Monthly Day Ahead On-Peak Energy + 

Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion, ISONE 

UN.WALNGFRD13.8WAL1, Day Ahead

Contract Code LVK

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 - 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of UN.WALNGFRD13.8WAL1 for all On-Peak hours in the contract 

month. These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.CONNECTICUT Monthly Day Ahead Off-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE 

.Z.CONNECTICUT, Day Ahead

Contract Code HPH

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.CONNECTICUT for all Off-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.CONNECTICUT Monthly Day Ahead On-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE 

.Z.CONNECTICUT, Day Ahead

Contract Code HPG

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.CONNECTICUT for all On-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.MAINE Monthly Day Ahead Off-Peak Energy + Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE .Z.MAINE, Day 

Ahead

Contract Code HPJ

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.MAINE for all Off-Peak hours in the contract month. These 

price files can be found at the following link or at successor location. http://www.isone.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.MAINE Monthly Day Ahead On-Peak Energy + Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE .Z.MAINE, Day 

Ahead

Contract Code HPI

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.MAINE for all On-Peak hours in the contract month. These 

price files can be found at the following link or at successor location. http://www.isone.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.NEMASSBOST Monthly Day Ahead Off-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE 

.Z.NEMASSBOST, Day Ahead

Contract Code HPL

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.NEMASSBOST for all Off-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.NEMASSBOST Monthly Day Ahead On-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE .Z.NEMASSBOST, 

Day Ahead

Contract Code HPK

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.NEMASSBOST for all On-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.NEWHAMPSHIRE Monthly Day Ahead Off-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE 

.Z.NEWHAMPSHIRE, Day Ahead

Contract Code HPN

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.NEWHAMPSHIRE for all Off-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.NEWHAMPSHIRE Monthly Day Ahead On-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE 

.Z.NEWHAMPSHIRE, Day Ahead

Contract Code HPM

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.NEWHAMPSHIRE for all On-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.RHODEISLAND Monthly Day Ahead Off-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE 

.Z.RHODEISLAND, Day Ahead

Contract Code HPP

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.RHODEISLAND for all Off-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.RHODEISLAND Monthly Day Ahead On-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE 

.Z.RHODEISLAND, Day Ahead

Contract Code HPO

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.RHODEISLAND for all On-Peak hours in the contract month. 

These price files can be found at the following link or at successor location. 

http://www.iso-ne.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.SEMASS Monthly Day Ahead Off-Peak Energy + Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE .Z.SEMASS, Day 

Ahead

Contract Code HPR

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.SEMASS for all Off-Peak hours in the contract month. These 

price files can be found at the following link or at successor location. http://www.isone.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.SEMASS Monthly Day Ahead On-Peak Energy + Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE .Z.SEMASS, Day 

Ahead

Contract Code HPQ

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.SEMASS for all On-Peak hours in the contract month. These 

price files can be found at the following link or at successor location. http://www.isone.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.VERMONT Monthly Day Ahead Off-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE .Z.VERMONT, 

Day Ahead

Contract Code HPT

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.VERMONT for all Off-Peak hours in the contract month. These 

price files can be found at the following link or at successor location. http://www.isone.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.VERMONT Monthly Day Ahead On-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE .Z.VERMONT, 

Day Ahead

Contract Code HPS

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.VERMONT for all On-Peak hours in the contract month. These 

price files can be found at the following link or at successor location. http://www.isone.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.WCMASS Monthly Day Ahead Off-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial Off-Peak Energy + Congestion ISONE .Z.WCMASS, Day 

Ahead

Contract Code HPV

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of Off-Peak hours within the month traded, so in a month 

with 400 Off-Peak hours, the lot size equals 400 MWh. The definition of Off-Peak 

hours is Hour Ending (HE) 0100 – 0700 and HE 2400, Monday through Friday, EPT 

and all hours for Saturday, Sunday, and all NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.WCMASS for all Off-Peak hours in the contract month. These 

price files can be found at the following link or at successor location. http://www.isone.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars
NODAL EXCHANGE CONTRACT SPECIFICATION

ISONE .Z.WCMASS Monthly Day Ahead On-Peak Energy + Congestion Contract

ITEM SPECIFICATION

Contract Description Monthly Cash Settled Financial On-Peak Energy + Congestion ISONE .Z.WCMASS, Day 

Ahead

Contract Code HPU

Hours of Trading As defined at http://www.nodalexchange.com

Unit of Trading 1 lot, which is equal to 1 MW for each hour of the contract

Lot Size

Variable, expressed in MWh. For each contract the Lot Size will equal 1 MW 

multiplied by the number of On-Peak hours within the month traded, so in a month 

with 336 On-Peak hours, the lot size equals 336 MWh. The definition of On-Peak 

hours is Hour Ending (HE) 0800 – 2300 Monday through Friday, Eastern Prevailing 

Time (EPT), excluding NERC Holidays.

Currency US Dollars

Min Price Fluctuation $0.0001 per MWh

Minimum Tick $0.0001 per MWh

First Trading Day The first business day after the last trading day of the current expiring contract

Last Trading Day The third business day following the last calendar day of the month

Contract Series 1418 months

Fixed Price The traded price or the previous day's settlement price

Daily Settlement Price Determined by the Exchange based on exchange activity, other market data, and 

extrapolation to traded contracts, as appropriate

Final Settlement Price

The final settlement price will be determined by the Exchange at approximately 3 pm 

EPT on the Last Trading Day. The final settlement price is the average of the dayahead hourly Energy of ISONE H.INTERNAL HUB plus the day-ahead hourly 

Congestion price of .Z.WCMASS for all On-Peak hours in the contract month. These 

price files can be found at the following link or at successor location. http://www.isone.com/histRpts/da-lmp/WW_DALMP_ISO_<yyyymmdd>.csv

Final Settlement (Payment) 

Date The first business day following the Last Trading Day

Position Limit https://www.nodalexchange.com/files/autogenerated/Nodal_Rulebook_Appendix_

C-Limits_and_Levels.PDF

Margin Unit US Dollars