SERVICE AGREEMENT UNDER RATE SCHEDULE WSS-OPEN ACCESS



         THIS  AGREEMENT  entered  into this 1st day of November,  1998,  by and
between  TRANSCONTINENTAL  GAS PIPE LINE  CORPORATION,  a Delaware  corporation,
hereinafter referred to as "Seller", first party, and ATLANTA GAS LIGHT COMPANY,
hereinafter referred to as "Buyer", second party.


                           W I T N E S S E T H:


         WHEREAS,  Seller has made available to Buyer storage  capacity from its
Washington  Storage Field under Part 284 of the  Commission's  Regulations;  and
Buyer desires to purchase and Seller desires to sell natural gas storage service
under Seller's Rate Schedule WSS-Open Access as set forth herein;

         NOW, THEREFORE, Seller and Buyer agree as follows:


                                 ARTICLE I
                            SERVICE TO BE RENDERED

         Subject to the terms and  provisions of this  agreement and of Seller's
Rate Schedule WSS-Open Access,  Seller agrees to inject into storage for Buyer's
account, store and withdraw from storage, quantities of natural gas as follows:

         To withdraw from storage up to a maximum  quantity on any day of 73,059
         dt, which quantity shall be Buyer's  Storage Demand  Quantity,  or such
         greater daily quantity,  as applicable  from time to time,  pursuant to
         the terms and conditions of Seller's Rate Schedule WSS-Open Access.


         To  receive  and  store  up to a  total  quantity  at any  one  time of
         6,210,000  dt,  which  quantity  shall  be  Buyer's  Storage   Capacity
         Quantity.




                                 ARTICLE II
                       POINT(S) OF RECEIPT AND DELIVERY

         The Point of Receipt for  injection of natural gas  delivered to Seller
by Buyer and the Point of Delivery for  withdrawal  of natural gas  delivered by
Seller to Buyer under this agreement shall be Seller's  Washington Storage Field
located at Seller's Station 54 in St. Landry Parish, Louisiana. Gas delivered or
received in Seller's pipeline system shall be at the prevailing  pressure not to
exceed the maximum allowable operating pressure.



                               ARTICLE III
                           TERM OF AGREEMENT

         This agreement shall be effective  November 1, 1998 and shall remain in
force and effect until March 31, 2010, and year to year  thereafter,  subject to
termination by either party upon six months written notice to the other party.


                              ARTICLE IV
                         RATE SCHEDULE AND PRICE

         Buyer shall pay Seller for natural gas service  rendered  hereunder  in
accordance  with Seller's  Rate Schedule  WSS-Open  Access,  and the  applicable
provisions  of the General  Terms and  Conditions of Seller's FERC Gas Tariff as
filed with the  Federal  Energy  Regulatory  Commission,  and as the same may be
amended or  superseded  from time to time.  Such Rate Schedule and General Terms
and Conditions are by this reference made a part hereof.  In the event Buyer and
Seller  mutually  agree to a  negotiated  rate and  specified  term for  service
hereunder,  provisions governing such negotiated rate (including surcharges) and
term shall be set forth on Exhibit A to the service agreement.


                               ARTICLE V
                              MISCELLANEOUS

         1. The subject  headings of the Articles of this agreement are inserted
for the purpose of  convenient  reference  and are not  intended to be a part of
this agreement nor to be considered in any interpretation of the same.

         2. This  agreement  supersedes  and  cancels as of the  effective  date
hereof the following contracts between the parties hereto: .0905

         3. No waiver by either  party of any one or more  defaults by the other
in the  performance  of any  provisions  of this  agreement  shall operate or be
construed as a waiver of any future  default or  defaults,  whether of a like or
different character.

         4. This  agreement  shall be  interpreted,  performed  and  enforced in
accordance with the laws of the State of Texas.

         5. This  agreement  shall be binding upon,  and inure to the benefit of
the parties hereto and their respective successors and assigns.

         IN WITNESS WHEREOF, the parties hereto have caused this agreement to be
signed  by  their  respective   officers  or   representatives   thereunto  duly
authorized.


                      TRANSCONTINENTAL GAS PIPE LINE
                            CORPORATION
                             (Seller)


                       By  /s/ Frank J. Ferazzi
                       Frank J. Ferazzi
                       Vice President
                       Customer Service and Rates



                       ATLANTA GAS LIGHT COMPANY
                               (Buyer)


                       By /s/ Paula G.Rosput


   
                              EXHIBIT A
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Specification of Negotiated Rate and Term
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