<PAGE>
AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON AUGUST 9, 2000.
REGISTRATION NO. 333-
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
------------------------
FORM S-1
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
------------------------
H POWER CORP.
(Exact name of registrant as specified in its charter)
<TABLE>
<S> <C> <C>
DELAWARE 3629 22-3010742
(State or other jurisdiction of (Primary Standard Industrial (I.R.S. Employer
incorporation or organization) Classification Code Number) Identification No.)
</TABLE>
------------------------
1373 BROAD STREET
CLIFTON, NEW JERSEY 07013
(973) 450-4400
(Address, including zip code, and telephone number, including area code, of
registrant's principal executive offices)
------------------------------
DR. H. FRANK GIBBARD
CHIEF EXECUTIVE OFFICER
H POWER CORP.
1373 BROAD STREET
CLIFTON, NEW JERSEY 07013
(973) 450-4400
(Name, address, including zip code, and telephone number, including area code,
of agent for service)
------------------------------
COPIES TO:
<TABLE>
<S> <C>
MERRILL M. KRAINES, ESQ. STEPHEN A. WEISS, ESQ.
FULBRIGHT & JAWORSKI L.L.P. CLIFFORD E. NEIMETH, ESQ.
666 FIFTH AVENUE GREENBERG TRAURIG, LLP
NEW YORK, NEW YORK 10103 THE METLIFE BUILDING
(212) 318-3000 200 PARK AVENUE
NEW YORK, NEW YORK 10166
(212) 801-9200
</TABLE>
------------------------------
APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE OF SECURITIES TO THE
PUBLIC: As soon as practicable after this Registration Statement becomes
effective.
If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, as amended, check the following box. / /
If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of the earlier effective
registration statement for the same offering. /X/ 333-34234
If this Form is a post-effective amendment filed pursuant to 462(c) under
the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. / / ______
If this Form is a post-effective amendment filed pursuant to Rule 462(d)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. / / ______
If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. / /
------------------------------
CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>
TITLE OF EACH CLASS PROPOSED MAXIMUM AMOUNT OF
OF SECURITIES TO BE REGISTERED AGGREGATE OFFERING PRICE (1) REGISTRATION FEE
<S> <C> <C>
Common stock, $.001 par value per share..................... $3,800,000 $1,004
</TABLE>
(1) Estimated solely for purpose of calculating the registration fee pursuant to
Rule 457(o) under the Securities Act of 1933, as amended.
------------------------------
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<PAGE>
INCORPORATION BY REFERENCE
The contents of the Registration Statement on Form S-1, as amended (File
No. 333-34234) filed by H Power Corp. and declared effective August 8, 2000 are
hereby incorporated by reference.
<PAGE>
ITEM 16. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.
(a) Exhibits.
<TABLE>
<S> <C>
5 Opinion of Fulbright & Jaworski L.L.P.
23.1 Consent of PricewaterhouseCoopers LLP
Consent of Fulbright & Jaworski L.L.P. (contained in
23.2 Exhibit 5)
</TABLE>
<PAGE>
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the
registrant has duly caused this Registration Statement to be signed on its
behalf by the undersigned, thereunto duly authorized, in the City of New York,
State of New York, on August 9, 2000.
<TABLE>
<S> <C> <C>
H POWER CORP.
By: /s/ H. FRANK GIBBARD
-----------------------------------------
H. Frank Gibbard
CHIEF EXECUTIVE OFFICER AND DIRECTOR
</TABLE>
Pursuant to the requirements of the Securities Act of 1933, as amended, this
Registration Statement has been signed below by the following persons in the
capacities and on the dates indicated.
<TABLE>
<CAPTION>
SIGNATURE TITLE DATE
--------- ----- ----
<C> <S> <C>
/s/ H. FRANK GIBBARD Chief Executive Officer,
------------------------------------------- Director (principal August 9, 2000
H. Frank Gibbard executive officer)
Chief Financial Officer,
/s/ WILLIAM L. ZANG Director (principal
------------------------------------------- financial and accounting August 9, 2000
William L. Zang officer)
* Director
------------------------------------------- August 9, 2000
Fong Saik Hay
* Director
------------------------------------------- August 9, 2000
Rachel K. Lorey
* Director
------------------------------------------- August 9, 2000
John McSweeney
* Director
------------------------------------------- August 9, 2000
Ivan Roch
* Director
------------------------------------------- August 9, 2000
Gary K. Willis
* Director
------------------------------------------- August 9, 2000
Howard L. Clark, Jr.
* Director
------------------------------------------- August 9, 2000
Leonard A. Hadley
</TABLE>
<TABLE>
<S> <C> <C> <C>
*By: /s/ WILLIAM L. ZANG
--------------------------------------
William L. Zang
Attorney-in-fact
</TABLE>
II-8
