Form 70-9959, Horizon Rule 24 Cert-2q05

UNITED STATES OF AMERICA
           Before the
SECURITIES AND EXCHANGE COMMISSION


In the Matter of
                                            
NATIONAL FUEL GAS COMPANY
HORIZON ENERGY DEVELOPMENT, INC.
HORIZON ENERGY HOLDINGS, INC.
and its subsidiaries

File No. 70-9959
(Public Utility Holding Company Act of 1935)
 
THIRTEENTH
CERTIFICATE
PURSUANT TO
RULE 24

        THIS IS TO CERTIFY, pursuant to Rule 24, that certain transactions proposed by National Fuel Gas Company (“National”), its subsidiary, Horizon Energy Development, Inc. (“Horizon”), Horizon’s subsidiary, Horizon Energy Holdings, Inc. (“Holdings”), and Holding’s subsidiaries (“Intermediate Subsidiaries”), in their Application-Declaration on Form U-1, as amended (File No. 70-9959), have been carried out in accordance with the terms and conditions of said Application-Declaration and the Order (HCAR No. 35-27487, dated December 31, 2001) of the Securities and Exchange Commission (the “Commission”) with respect thereto, and that the following information for the quarter ended March 31, 2005 is herein provided:

  1) A general description of the Development Activities of Horizon or any Intermediate Subsidiary during the quarter and of any exempt wholesale generator or foreign utility company in which National has acquired, directly or indirectly, an ownership interest during the quarter:

  Horizon and Intermediate Subsidiaries engaged, directly or indirectly, in one or more of the following Development Activities during the quarter: preliminary engineering; preparation of bid proposals; application for required permits and/or regulatory approvals; negotiation and execution of contractual commitments with power purchasers and other project contractors; discussion of financing opportunities with lenders and other third-party investors; and such other preliminary activities as may be required to develop, construct, and operate electric generation plants.

  During the quarter, Horizon, through Intermediate Subsidiaries, continued to hold ownership interests in Sofia Energy EAD and Montenero Energia s.r.l. Each of these entities is pursuing a power generation project — Sofia Energy EAD in and around the city of Sofia, Bulgaria, and Montenero Energia s.r.l in the Molise region of Italy near the town of Montenero di Bisaccia.

  2) Information on Project Services (administrative, operating, technical and management services) performed during the quarter:

Company
Providing Service
Company Receiving
Service
Type of Service Total Charges* At Cost or Fair
Market Value
Horizon Horizon Energy
Development, s.r.o.
Technical and
management services
$50,000 1 Fair market value
Horizon Energy
Development, s.r.o.
Horizon Administrative
services
$36,800 1 Fair market value
Horizon Energy
Development, s.r.o.
United Energy, a.s. Administrative and
operating services
$258,621 Fair market value
United Energy, a.s. Teplarna Liberec, a.s. Administrative and
management services
$133,784 Fair market value










* Amounts are shown in US$. Original billings may be calculated in Czech Korunas. For the quarter ended March 31, 2005, the average spot exchange rate was CZK22.91/US$1.
1 Represents estimated amount accrued during quarter. Payments are generally made at the end of fiscal year and calendar year.

3)     Information regarding new Intermediate Subsidiaries:

        No new Intermediate Subsidiaries were established or acquired during the quarter.

4)     Amount of any Guarantee issued by Horizon or any Intermediate Subsidiary that is not exempt under Rule 45(b) or Rule 52:

        Neither Horizon nor any Intermediate Subsidiary issued any such Guarantee during the quarter.

5)     Horizon financial statements:

  Horizon’s balance sheet at March 31, 2005 is attached as Exhibit 1, and Horizon’s income statement for the quarter ended March 31, 2005 is attached as Exhibit 2.


        IN WITNESS WHEREOF, the undersigned companies have caused this Certificate to be executed as of this 18th day of May, 2005.

NATIONAL FUEL GAS COMPANY

By: /s/   R. J. Tanski
       R. J. Tanski
       Treasurer


HORIZON ENERGY DEVELOPMENT, INC.

By: /s/   R. J. Tanski
       R. J. Tanski
       Secretary and Treasurer


HORIZON ENERGY HOLDINGS, INC.

By: /s/  R. J. Tanski
       R. J. Tanski
       Secretary and Treasurer