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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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SCHEDULE 13D/A
(RULE 13d-101)
UNDER THE SECURITIES EXCHANGE ACT OF 1934
AMENDMENT NO. 6
COGENERATION CORPORATION OF AMERICA
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(Name of Issuer)
Common Stock, par value $.01 per share
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(Title of Class of Securities)
628950 10 7
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(CUSIP number)
James J. Bender John P. Moore, Jr.
Vice President and General Counsel Corporate Secretary
NRG Energy, Inc. Northern States Power Company
1221 Nicollet Mall, Suite 700 414 Nicollet Mall, Fifth Floor
Minneapolis, MN 55403 Minneapolis, MN 55401
(612) 373-5300 (612) 330-5500
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(Name, address and telephone number of person
authorized to receive notices and communications)
October 1, 1998
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(Date of event which requires filing of this statement)
If the filing person has previously filed a statement on Schedule 13G
to report the acquisition which is the subject of this Schedule 13D, and is
filing this schedule because of Rule 13d-1(b)(3) or (4), check the following
box / /.
Note. Six copies of this statement, including all exhibits, should be
filed with the Commission. See Rule 13d-1(a) for other parties to whom copies
are to be sent.
*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
(Page 1 of 4 Pages)
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13D
CUSIP NO. 628950 10 7 PAGE 2 OF 4 PAGES
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1 NAME OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
NRG ENERGY, INC. I.R.S. IDENTIFICATION NO. 41-1724239
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [ ]
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3 SEC USE ONLY
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4 SOURCE OF FUNDS*
OO
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5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEM 2(d) OR 2(e) [ ]
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6 CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
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7 SOLE VOTING POWER
NUMBER OF
3,254,288
SHARES -----------------------------------------------------------------
8 SHARED VOTING POWER
BENEFICIALLY
0
OWNED BY EACH -----------------------------------------------------------------
9 SOLE DISPOSITIVE POWER
REPORTING
3,106,612
PERSON -----------------------------------------------------------------
10 SHARED DISPOSITIVE POWER
WITH
0
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11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,254,288
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12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES* [ ]
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13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
47.60%
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14 TYPE OF REPORTING PERSON*
CO
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13D
CUSIP NO. 628950 10 7 PAGE 3 OF 4 PAGES
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1 NAME OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
NORTHERN STATES POWER COMPANY I.R.S. IDENTIFICATION NO. 41-0448030
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [ ]
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3 SEC USE ONLY
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4 SOURCE OF FUNDS*
OO
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5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEM 2(d) OR 2(e) [ ]
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6 CITIZENSHIP OR PLACE OF ORGANIZATION
MINNESOTA
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7 SOLE VOTING POWER
NUMBER OF
3,254,288
SHARES -----------------------------------------------------------------
8 SHARED VOTING POWER
BENEFICIALLY
0
OWNED BY EACH -----------------------------------------------------------------
9 SOLE DISPOSITIVE POWER
REPORTING
3,106,612
PERSON -----------------------------------------------------------------
10 SHARED DISPOSITIVE POWER
WITH
0
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11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,254,288
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12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES* [ ]
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13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
47.60%
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14 TYPE OF REPORTING PERSON*
CO
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SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
NRG ENERGY, INC.
Dated: October 15, 1998
/s/ James J. Bender
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Name: James J. Bender
Title: Vice President and General Counsel
NORTHERN STATES POWER COMPANY
/s/ John P. Moore, Jr.
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Name: John P. Moore, Jr.
Title: Corporate Secretary