UNITED STATES OF AMERICA
       Before the
SECURITIES AND EXCHANGE COMMISSION

NATIONAL FUEL GAS COMPANY	SEVENTH	
HORIZON ENERGY DEVELOPMENT, INC.	CERTIFICATE	
HORIZON ENERGY HOLDINGS, INC.	PURSUANT TO	
and its subsidiaries	RULE 24	
File No. 70-9959
(Public Utility Holding Company Act of 1935)
        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 September 30, 2003 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: due diligence and design review; market studies; preliminary engineering; site inspection; preparation of bid proposals, including posting of bid bonds; application for required permits and/or regulatory approvals; acquisition of site options and options on other necessary rights; negotiation and execution of contractual commitments with owners of existing facilities, equipment vendors, construction firms, power purchasers, thermal “hosts,” fuel suppliers and other project contractors; discussion of financing opportunities with lenders and other third-party investors; and such other preliminary activities as may be required.	

 	In connection with its Development Activities, Horizon, through Intermediate Subsidiaries, has acquired 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	$29,167  1	Fair market value	
Horizon Energy Development, s.r.o.	Horizon	Administrative services	$19,755  1	Fair market value	
Horizon Energy Development, s.r.o.	United Energy, a.s.	Administrative and operating services	$207,241 	Fair market value	
United Energy, a.s.	Teplarna Liberec, a.s.	Administrative and management services	$107,205 	Fair market value	

*    Amounts are shown in US$. Original billings may be calculated in Czech Korunas. For the quarter ended September 30, 2003, the average spot exchange rate was CZK28.59/US$1.
1    Represents amounts accrued during quarter. Under terms of agreements, billings are submitted on an annual basis at the end of the 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 September 30, 2003 is attached as Exhibit 1, and Horizon's income statement for the quarter ended September 30, 2003 is attached as Exhibit 2.	

        IN WITNESS WHEREOF, the undersigned companies have caused this Certificate to be executed as of this 25th day of November, 2003.

 	NATIONAL FUEL GAS COMPANY	
 	
 	By:    /s/ R. J. Tanski	
 	        R. J. Tanski	
 	        Controller	

 	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	

EXHIBIT 1
HORIZON ENERGY DEVELOPMENT, INC.
BALANCE SHEET
(Unaudited)
At September 30, 2003
ASSETS
Property Plant & Equipment
   Property Plant & Equipment                                         $372,783,507
   Accumulated D, D & A                                               (153,584,758)
                                                                -------------------

Net Property, Plant & Equipment                                        219,198,749
                                                                -------------------

Current Assets:
   Cash and Temporary Cash Investments                                  18,339,046
   Notes Receivable-Intercompany                                           600,000
   Receivables - Net                                                     5,165,345
   Accounts Receivable-Intercompany                                         22,009
   Unbilled Utility Revenue                                              7,288,648
   Materials/Supplies - Average Cost                                     3,758,643
   Prepayments                                                              86,552
                                                                -------------------
Current Assets                                                          35,260,243
                                                                -------------------

Other Assets                                                               478,133
                                                                -------------------

Total Assets                                                          $254,937,125
                                                                ===================

CAPITALIZATION & LIABILITIES
Capitalization:
   Capital Stock of Subsidiaries                                            $4,750
 Paid in Capital                                                        38,245,591
   Earnings Reinvested in Business                                     (23,209,872)
   Accumulated Other Comprehensive Income                               21,822,219
                                                                -------------------
Total Common Stock Equity                                               36,862,688

   Long-Term Debt Net of Current Portion                                 9,843,998
   Notes Payable - Intercompany - Long Term                             89,770,000
                                                                -------------------
Total Capitalization                                                   136,476,686
                                                                -------------------

Minority Interest in Foreign Subsidiaries                               33,280,896
                                                                -------------------

Liabilities:
   Notes Payable - Intercompany                                         29,700,000
   Long Term Debt Due Current                                            7,397,322
   Accounts Payable - Other                                             20,926,712
   Accounts Payable - Intercompany                                       2,729,331
   Other Accruals & Current Liabilities                                    972,535
                                                                -------------------
Total Current Liabilities                                               61,725,900
                                                                -------------------

Deferred Credits:
   Accumulated Deferred Income Tax                                      20,512,036
   Other Deferred Credit                                                 2,941,607
                                                                -------------------
Total Deferred Credits                                                  23,453,643
                                                                -------------------

Total Capitalization & Liabilities                                    $254,937,125

                                                                ===================

EXHIBIT 2
HORIZON ENERGY DEVELOPMENT, INC.
INCOME STATEMENT
(Unaudited)
                                                            Three Months Ended
September 30, 2003

Operating Revenue:
  Operating Revenue                                                  $12,050,563
                                                          -----------------------

Operating Expenses:
  Fuel Used in Heat and Electric Generation                            8,058,212
  Operation and Maintenance Expenses                                   8,194,654
  Property, Franchise & Other Taxes                                      697,095
  Depreciation, Depletion & Amortization                               3,557,726
                                                          -----------------------
Operating Expenses                                                    20,507,687
                                                          -----------------------
Operating Loss                                                        (8,457,124)
                                                          -----------------------

Other Income                                                             245,739
                                                          -----------------------

Interest Charges                                                       1,804,773
                                                          -----------------------

Loss Before Income Taxes                                             (10,016,158)
                                                          -----------------------

Income Taxes - Current                                                (1,675,414)
Income Taxes - Deferred                                               (1,008,558)
                                                          -----------------------
                                                                      (2,683,972)
                                                          -----------------------

Minority Interest in Foreign Subsidiaries                              1,067,622
                                                          -----------------------

Net Loss                                                             ($6,264,564)
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