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<TYPE>35-CERT
<SEQUENCE>1
<FILENAME>twenty-second8649.txt
<DESCRIPTION>TWENTY-SECOND CERT. PURSUANT TO RULE 24
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<TITLE> twenty-second cert. </TITLE>
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<PRE>
    UNITED STATES OF AMERICA
            Before the
SECURITIES AND EXCHANGE COMMISSION
<u>                                           </u>

In the Matter of
                                                              TWENTY-SECOND
NATIONAL FUEL GAS COMPANY                                     CERTIFICATE
HORIZON ENERGY DEVELOPMENT, INC.                              PURSUANT TO
                                                              RULE 24

File No. 70-8649
(Public Utility Holding Company Act of 1935)

<u>                                           </u>

</PRE>
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;THIS
IS TO CERTIFY, pursuant to Rule 24, that certain transactions proposed by
National Fuel Gas Company (&#147;National&#148;) and its subsidiary, Horizon
Energy Development, Inc. (&#147;Horizon&#148;) in its Application-Declaration on
Form U-1, as amended (File No. 70-8649), have been carried out in accordance
with the terms and conditions of said Application-Declaration and the Order
(HCAR No. 35-26364, dated August 29, 1995) of the Securities and Exchange
Commission (the &#147;Commission&#148;) with respect thereto, and that the
following information for the quarter ended December 31, 2000 is herein
provided: </FONT></P>

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<TD WIDTH=5%><FONT SIZE=3></FONT></TD>
<TD WIDTH=5%><FONT SIZE=3>1a)</FONT></TD>
<TD WIDTH=90%><FONT SIZE=3>Horizon&#146;s balance sheet at December 31, 2000 is attached as Exhibit 1.
</FONT></TD>
</TR>
</TABLE>

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<TD WIDTH=5%><FONT SIZE=3></FONT></TD>
<TD WIDTH=5%><FONT SIZE=3>1b)</FONT></TD>
<TD WIDTH=90%><FONT SIZE=3>
&nbsp;National&#146;s balance sheet at December 31, 2000 will be included in
National&#146;s Form 10-Q for the year ended December 31, 2000 which is expected
to be filed with the Commission on or before February 14, 2001 and is
incorporated herein by reference.</FONT></TD>
</TR>
</TABLE>
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<TD WIDTH=5%><FONT SIZE=3>2a)</FONT></TD>
<TD WIDTH=90%><FONT SIZE=3>Horizon&#146;s income statement for the quarter ended December 31, 2000 is
attached as<br> Exhibit 2. </FONT></TD>
</TR>
</TABLE>
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<TD WIDTH=5%><FONT SIZE=3></FONT></TD>
<TD WIDTH=5%><FONT SIZE=3>2b)</FONT></TD>
<TD WIDTH=90%><FONT SIZE=3>
National&#146;s income statement for the quarter ended December 31, 2000 will be
included in National&#146;s Form 10-Q for the year ended December 31, 2000,
which is expected to be filed with the Commission on or before February 14, 2001
and is incorporated herein by reference.</FONT></TD>
</TR>
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<TD WIDTH=5%><FONT SIZE=3></FONT></TD>
<TD WIDTH=5%><FONT SIZE=3>3)</FONT></TD>
<TD WIDTH=90%><FONT SIZE=3>
Recourse and non-recourse debt securities issued to third parties by
Intermediate Companies during the quarter ended December 31, 2000.<br><br>None.</FONT></TD>
</TR>
</TABLE>
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<TD WIDTH=5%><FONT SIZE=3>4)</FONT></TD>
<TD WIDTH=90%><FONT SIZE=3>
A general description of the activities of the Applicants for the quarter ended
December 31, 2000, and of the projects in which they or their subsidiary
companies have an ownership interest:</FONT></TD>
</TR>
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<TD WIDTH=5%>&nbsp;</TD>
<TD WIDTH=95%><FONT FACE="Times New Roman, Times, Serif" SIZE=3>The Project Activities (as such term is defined in the aforesaid
Application-Declaration) that National and Horizon, and subsidiaries of Horizon,
were engaged in pursuant to File No. 70-8649, as of December 31, 2000, are as follows:</FONT></TD>
</TR>
</TABLE>
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<TD WIDTH=5%>&nbsp;</TD>
<TD WIDTH=95%><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Horizon, through its
wholly owned indirect subsidiaries, Horizon Energy Holdings, Inc.
and Horizon Energy Development, B. V. (HEDBV), continues to own 100% of the capital
stock of each of Horizon Energy Development s.r.o. ("HED") and Power Development s.r.o.
"PD").   PD in turn continues to own 100% of the capital stock of Telplarna Kromeriz
a.s. ("TK").  These entities continue to engage in power development and related
activities in the Czech Republic and eastern Europe.</FONT></TD>
</TR>
</TABLE>
<BR>

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<TD WIDTH=5%>&nbsp;</TD>
<TD WIDTH=95%><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
The
only material asset of HED, PD and TK is the district heating system of TK,
which sells steam heat to its residential and commercial customers in the city
of Kromeriz, Czech Republic. TK continues to investigate ways to convert the
existing steam plant into a cogeneration facility, or otherwise to generate
electricity at the site.</FONT></TD>
</TR>
</TABLE>
<BR>

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<TD WIDTH=5%>&nbsp;</TD>
<TD WIDTH=95%><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
As
of December 31, 2000, HEDBV owned approximately 86% of the capital stock of
United Energy, a.s. (UE), formerly known as Prvni Severozapadni Teplarenska,
a.s. (PSZT). As previously reported, PSZT was the surviving entity resulting
from the merger of PSZT and Severoceske Teplarny, a.s. (SCT). Both PSZT and SCT,
directly, and through subsidiaries produced heat and power. PSZT continues to
carry on those operations and distribute heat and sells power at wholesale in
the northern part of the Czech Republic.</FONT></TD>
</TR>
</TABLE>
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<TD WIDTH=5%>&nbsp;</TD>
<TD WIDTH=95%><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
HEDBV,
as a shareholder of SCT, had received dividends from its investment in the SCT
shares. HEDBV, as a shareholder of PSZT, has received, and expects to receive,
in the future, dividends from its investment in PSZT shares.</FONT></TD>
</TR>
</TABLE>
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<TD WIDTH=5%>&nbsp;</TD>
<TD WIDTH=95%><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
The
aggregate investment of National and its subsidiaries in electric wholesale
generators and foreign utility companies does not exceed the limits set forth in
the Commission&#146;s Rule 53.</FONT></TD>
</TR>
</TABLE>
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<TD WIDTH=5%><FONT SIZE=3></FONT></TD>
<TD WIDTH=5%><FONT SIZE=3>5)</FONT></TD>
<TD WIDTH=90%><FONT SIZE=3>
Information on intercompany service transactions (including those provided at
cost and at market rates) involving affiliated Intermediate Companies during the
quarter ended December 31, 2000:</FONT></TD>
</TR>
</TABLE>
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<TD WIDTH=5%>&nbsp;</TD>
<TD WIDTH=47%><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
Neither
Horizon nor National engaged in any intercompany service transactions with
affiliated Intermediate Companies.</FONT></TD>
</TR>
</TABLE>
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<PRE>
February 27, 2001                 NATIONAL FUEL GAS COMPANY


                                  By:<u>  /s/ P. C. Ackerman          </u>
                                     P. C. Ackerman
                                     President



                                  HORIZON ENERGY DEVELOPMENT,
                                  INC.


                                  By:<u>  /s/ R. J. Tanski            </u>
                                     R. J. Tanski
                                     Secretary and Treasurer

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