Exhibit 10.26**ACCESSION AND AMENDMENT AGREEMENT**Dated January 31, 2006     Reference is made to the Third Amended and Restated Credit Agreement, dated as of July 27,2005 (as the same may be amended, supplemented or otherwise modified from time to time, the “***CreditAgreement***”), among Duquesne Light Company (the “***Borrower***”), the Lenders named therein, JPMorganChase Bank, N.A. (as successor to Bank One, NA), as Administrative Agent and an LC Issuer, MellonBank, N.A., as an LC Issuer, the other LC Issuers from time to time parties thereto, Union Bank ofCalifornia, N.A., as Syndication Agent, and Wachovia Bank, National Association and Citibank, N.A.,as Co-Documentation Agents. Capitalized terms used herein and not otherwise defined herein shallhave the meanings assigned thereto in the Credit Agreement. Pursuant to Section 2.1(iv) of theCredit Agreement, KeyBank National Association (the “***New Lender***”) has committed to make loans(“***Loans***”) to the Borrower in accordance with the terms and conditions of the Credit Agreement andto participate in Credit Extensions resulting from the issuance (or Modification) of any FacilityLC.     The New Lender and the Administrative Agent agree as follows:     1. The New Lender agrees, on the terms and conditions set forth in the Credit Agreement, tomake Loans to the Borrower and to participate in the issuance of Facility LCs (and the LCObligations thereunder) during the period from the date hereof until the Revolving CreditTermination Date (subject to Section 2.1(ii) of the Credit Agreement), in an aggregate outstandingamount not to exceed on any day the New Lender’s Commitment set forth opposite its signature below.     2. On the date hereof (the “***Effective Date***”), the New Lender shall pay to the AdministrativeAgent, in same day funds, at such address and account as the Administrative Agent shall advise theNew Lender, $0.00, which amount shall be used to purchase by assignment from the existing Lenderssuch portion of the Loans owing to them such that, after giving effect to all such purchases andassignments, the New Lender will share such Loans ratably with each of them (based upon the NewLender’s Pro Rata Share). From and after the Effective Date, the New Lender shall be a party tothe Credit Agreement, entitled to all rights, powers and privileges, and subject to allobligations, of a Lender thereunder, including without limitation (i) the right to receive allpayments made by the Borrower in respect of the Loans made by the New Lender, whether on account ofprincipal, interest, fees, indemnities in respect of claims arising after the date hereof,increased costs, additional amounts or otherwise, (ii) the right to vote and to instruct theAdministrative Agent under the Credit Agreement according to its Pro Rata Share, (iii) the right toset-off and to appropriate and apply deposits of the
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Borrower as set forth in the Credit Agreementand (iv) the right to receive notices, requests, demands and other communications.     3. The New Lender (i) confirms that it has received a copy of each Loan Document, togetherwith copies of the financial statements referred to in Section 5.4 of the Credit Agreement and suchother documents and information as it has deemed appropriate to make its own credit analysis anddecision to enter into this Agreement and to become a Lender under the Credit Agreement, (ii)agrees that it will, independently and without reliance upon the Administrative Agent or any otherLender and based on such documents and information as it shall deem appropriate at the time,continue to make its own credit decisions in taking or not taking action under the Loan Documents,(iii) confirms that it satisfies therequirements of an Eligible Assignee, (iv) appoints and authorizes the Administrative Agent to takesuch action as agent on its behalf and to exercise such powers under the Loan Documents as aredelegated to the Administrative Agent by the terms thereof, together with such powers as arereasonably incidental thereto, (v) agrees that it will perform in accordance with their terms allof the obligations which by the terms of the Loan Documents are required to be performed by it as aLender and (vi) represents and warrants to the Administrative Agent that it has duly executed anddelivered this Agreement and that the execution, delivery and performance by the New Lender of thisAgreement have been duly authorized by all necessary action (corporate or otherwise).     4. This Agreement may be executed in any number of counterparts and by different parties inseparate counterparts, each of which when so executed shall be deemed to be an original and all ofwhich taken together shall constitute but one and the same instrument.     5. This Agreement shall be governed by, and construed in accordance with, the laws of theState of New York.
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     IN WITNESS WHEREOF, the parties hereto have caused this Accession and Amendment Agreement tobe executed by their respective officers thereunto duly authorized, as of the date first abovewritten.***Commitment***       $10,000,000.00 KEYBANK NATIONAL ASSOCIATION         By: /s/ Sherrie I. Manson       Name: Sherrie I. Manson      Title: Vice President           Lending Installation:         Mailcode: OH-01-27-0623  127 Public Square  Cleveland Ohio 44114         Address for Notices:         Mailcode: OH-01-27-0623  127 Public Square  Cleveland Ohio 44114  Attention: Sherrie I. Manson  Telephone: (216) 689-3443  Telecopier: (216) 689-4981         JPMORGAN CHASE BANK, N.A.,  as Administrative Agent         By: /s/ Michael J. DeForge       Name: Michael J. DeForge      Title: Vice President  AGREED and ACCEPTED