NODAL EXCHANGE CONTRACT SPECIFICATION

MISO_RTO ALTW.DAEC Monthly Day Ahead On-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

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

ALTW.DAEC, Day Ahead

Contract Code GMW

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) 0700 – 2200 Monday through Friday, Eastern Standard 

Time (EST), 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 Last business day of the contract period

Contract Series 14 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 MISO_RTO INDIANA HUB plus the day- ahead hourly 

Congestion price of ALTW.DAEC for all On-Peak hours in the contract month. Energy 

price of MISO_RTO.INDIANA HUB is defined as its Ex Post LMP minus Loss minus 

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

location. https://www.misoenergy.org/Library/Repository/Market 

Reports/<yyyymmdd>_da_expost_lmp.csv

Final Settlement (Payment) 

Date The sixth business day following the last calendar day of the month

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

C-Limits_and_Levels.PDF
NODAL EXCHANGE CONTRACT SPECIFICATION

MISO_RTO ALTW.DAEC Monthly Day Ahead Off-Peak Energy + Congestion 

Contract

ITEM SPECIFICATION

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

ALTW.DAEC, Day Ahead

Contract Code GMX

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 – 0600 and HE 2300 – 2400, Monday through Friday, 

EST, and all hours for Saturday, Sunday, and all NERC Holidays. No hours will be 

added or subtracted due to DST adjustments.

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 Last business day of the contract period

Contract Series 14 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 MISO_RTO INDIANA HUB plus the day- ahead hourly 

Congestion price of ALTW.DAEC for all Off-Peak hours in the contract month. Energy 

price of MISO_RTO.INDIANA HUB is defined as its Ex Post LMP minus Loss minus 

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

location. https://www.misoenergy.org/Library/Repository/Market 

Reports/<yyyymmdd>_da_expost_lmp.csv

Final Settlement (Payment) 

Date The sixth business day following the last calendar day of the month

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

C-Limits_and_Levels.PDF