Exhibit 10(g)



|Date: March 19, 2003 | Contract No.: 109012
|-------------------- | --------------------



FSS SERVICE AGREEMENT

This AGREEMENT is entered into by ANR PIPELINE COMPANY (Transporter) and THE PEOPLES GAS LIGHT & COKE COMPANY (Shipper).

WHEREAS, Shipper bas requested Transporter to transport Gas on its behalf and Transporter represents that it is willing to transport Gas under the terms and conditions of this Agreement.

NOW, THEREFORE, Transporter and Shipper agree that the terms below, together with the terms and conditions of Transporter's applicable Rate Schedule and General Terms and Conditions of Transporter's FERC Gas Tariff constitute the transportation service to be provided and the rights and obligations of Shipper and Transporter.



1. AUTHORITY FOR TRANSPORTATION SERVICE:
(284B= Section 311; 284G = Blanket)
2. RATE SCHEDULE: Firm Storage Service
3. CONTRACT QUANTITIES:

Contract Quantities - See Exhibit attached hereto.

Such Contract Quantities shall be reduced for scheduling purposes, but not for billing purposes, by the Contract Quantities that Shipper has released through Transporter's capacity release program for the period of any release.

Shipper desires to maintain the MDQ delivered to the city gate from storage in the event of a change in Transporter's Use %. Therefore, subject to available capacity, if Transporter's Use %, as stated in Transporter's FERC Gas Tariff changes, Transporter shall make corresponding changes to: (a) the MSQ, Base MDWQ and Base MDIQ of Shipper's FSS Agreement; and (b) the MDQ associated with the injection route(s) of the transport agreement corresponding to such FSS Agreement. Shipper authorizes transporter make such quantity changes without formal amendment by providing to Shipper a revised Exhibit for each contract affected.



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|Date: March 19, 2003 | Contract No.: 109012
|-------------------- | --------------------

1. TERM OF AGREEMENT:
2. RATES:
3. INCORPORATION BY REFERENCE:
4. NOTICES:
5. FURTHER AGREEMENT

The rate for storage service shall be a Deliverability rate of $2.4500 per dth per month for MDWQ, and a Capacity rate of $0.1398 per dth per month of MSQ divided by twelve, not to exceed Transporter's Maximum Tariff Rates. In addition, Shipper will be charged $.0126/dth for injection or withdrawal charges. Shipper shall be charged any other applicable fees or surcharges in accordance with Transporter's FERC Gas Tariff.









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|Date: March 19, 2003 | Contract No.: 109012
|-------------------- | --------------------



IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be signed by their respective Officers or Representatives there unto duly authorized to be effective as of the date stated above.



SHIPPER: THE PEOPLES GAS LIGHT & COKE COMPANY

|By:    | /s/ William E. Morrow   
|------ | ------------------------
|Title: | Executive Vice President
|Date:  | March 27, 2003          

TRANSPORTER: ANR PIPELINE COMPANY

|By:    | /s/ Joseph E. Pollard     
|------ | --------------------------
|Title: | Agent and Attorney-in-Fact
|Date:  | April 8, 2003             









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|CONTRACT QUANTITY EXHIBIT                          |                 | Contract No:   | 109012
|-------------------------------------------------- | --------------- | -------------- | ------
|To Agreement Between                               | Rate Schedule:  | FSS           
|ANR PIPELINE COMPANY (Transporter)                 | Contract Date:  | March 19, 2003
|AND THE PEOPLES GAS LIGHT & COKE COMPANY (Shipper) | Amendment Date: |               



|Effective Start: | April 01, 2003
|---------------- | --------------
|Effective End:   | March 31, 2004



|Annual Service   
|-----------------
|Ratcheted Service

|                                               | MDQ(Dth)
|---------------------------------------------- | --------
|Maximum Storage Quantity (MSQ)                 | 8098800 
|Base Maximum Daily Withdrawal Quantity (BMDWQ) | 161976  
|Base Maximum Daily Injection Quantity (BMDIQ)  | 46279   
|Cyclability                                    | 11500296



|Ratchet Thresholds |  |          | Ratchet |    | Ratchet
|------------------ |  | -------- | ------- | -- | -------
|From               |  | To       |         |    | Levels 
|1619761            |  | -8098800 |         | W1 | MDWQ_1 
|1214821            |  | -1619760 |         | W2 | MDWQ_2 
|809881             |  | -1214820 |         | W3 | MDWQ_3 
|404941             |  | - 809880 |         | W4 | MDWQ_4 
|0                  |  | - 404940 |         | W5 | MDWQ_5 
|0                  |  | -7288920 |         | I1 | MDIQ_1 
|7288921            |  | -8098800 |         | I2 | MDIQ_2 

W=Withdrawal; I=Injection



Note: BMDWQ and BMDIQ are stated without incorporating ratchets.



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