<PAGE>
-------------------------------
OMB APPROVAL
UNITED STATES OMB NUMBER 3235-0145
SECURITIES AND EXCHANGE COMMISSION EXPIRES: OCTOBER 31, 1994
WASHINGTON, D.C. 20549 ESTIMATED AVERAGE BURDEN
HOURS PER RESPONSE . . . 14.90
-------------------------------
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 1)*
Ohio Power Company
-----------------------------------------------------------------------------
(Name of Issuer)
8.04% Cumulative Preferred Stock
-----------------------------------------------------------------------------
(Title of Class of Securities)
677415507
-----------------------------------------
(CUSIP Number)
Check the following box if a fee is being paid with this statement[_]. (A fee
is not required only if the filing person: (1) has a previous statement on file
reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7).
*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 the
disclosures provided in a prior cover page.
The information required in 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 9 PAGES
SEC.1745
<PAGE>
- - ----------------------- ---------------------
CUSIP NO. 677415507 13G PAGE 2 OF 9 PAGES
- - ----------------------- ---------------------
- - ------------------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
John Hancock Mutual Life Insurance Company
I.R.S. No. 04-1414660
- - ------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [_]
N/A (b) [_]
- - ------------------------------------------------------------------------------
3 SEC USE ONLY
- - ------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Commonwealth of Massachusetts
- - ------------------------------------------------------------------------------
5 SOLE VOTING POWER
NUMBER OF -0-
SHARES -----------------------------------------------------------
6 SHARED VOTING POWER
BENEFICIALLY
-0-
OWNED BY
-----------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING -0-
PERSON -----------------------------------------------------------
8 SHARED DISPOSITIVE POWER
WITH
-0-
- - ------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
-0-
- - ------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
N/A
- - ------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
See line 9, above
- - ------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IC, BD, IA, HC
- - ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
PAGE 2 OF 9 PAGES
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- - ----------------------- ---------------------
CUSIP NO. 677415507 13G PAGE 3 OF 9 PAGES
- - ----------------------- ---------------------
- - ------------------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
John Hancock Subsidiaries, Inc.
I.R.S. No. 04-2687223
- - ------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [_]
N/A (b) [_]
- - ------------------------------------------------------------------------------
3 SEC USE ONLY
- - ------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- - ------------------------------------------------------------------------------
5 SOLE VOTING POWER
NUMBER OF -0-
SHARES -----------------------------------------------------------
6 SHARED VOTING POWER
BENEFICIALLY
-0-
OWNED BY
-----------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING -0-
PERSON -----------------------------------------------------------
8 SHARED DISPOSITIVE POWER
WITH
-0-
- - ------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
-0-
- - ------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
N/A
- - ------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
See line 9, above
- - ------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
HC
- - ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
PAGE 3 OF 9 PAGES
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- - ----------------------- ---------------------
CUSIP NO. 677415507 13G PAGE 4 OF 9 PAGES
- - ----------------------- ---------------------
- - ------------------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
The Berkeley Financial Group
I.R.S. No. 04-3145626
- - ------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [_]
N/A (b) [_]
- - ------------------------------------------------------------------------------
3 SEC USE ONLY
- - ------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Commonwealth of Massachusetts
- - ------------------------------------------------------------------------------
5 SOLE VOTING POWER
NUMBER OF -0-
SHARES -----------------------------------------------------------
6 SHARED VOTING POWER
BENEFICIALLY
-0-
OWNED BY
-----------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING -0-
PERSON -----------------------------------------------------------
8 SHARED DISPOSITIVE POWER
WITH
-0-
- - ------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
-0-
- - ------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
N/A
- - ------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
See line 9, above
- - ------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
HC
- - ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
PAGE 4 OF 9 PAGES
<PAGE>
- - ----------------------- ---------------------
CUSIP NO. 677415507 13G PAGE 5 OF 9 PAGES
- - ----------------------- ---------------------
- - ------------------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
John Hancock Advisers, Inc.
I.R.S. No. 04-2441573
- - ------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [_]
N/A (b) [_]
- - ------------------------------------------------------------------------------
3 SEC USE ONLY
- - ------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- - ------------------------------------------------------------------------------
5 SOLE VOTING POWER
NUMBER OF -0-
SHARES -----------------------------------------------------------
6 SHARED VOTING POWER
BBENEFICIALLY
-0-
OWNED BY
-----------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING -0-
PERSON -----------------------------------------------------------
8 SHARED DISPOSITIVE POWER
WITH
-0-
- - ------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
-0-
- - ------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
N/A
- - ------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0%
- - ------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IA
- - ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
PAGE 5 OF 9 PAGES
<PAGE>
The original statement shall be signed by each person on whose behalf
the statement is filed or his authorized representative. If the statement is
signed on behalf of a person by his authorized representative other than an
executive officer or general partner of the filing person, evidence of the
representative's authority to sign on behalf of such person shall be filed with
the statement, provided, however, that a power of attorney for this purpose
which is already on file with the Commission may be incorporated by reference.
The name and any title of each person who signs the statement shall be typed or
printed beneath his signature.
Note: Six copies of this statement, including all exhibits, should be filed
with the Commission.
ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACT CONSTITUTE
FEDERAL CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001)
Item 1(a) Name of Issuer:
--------------
Ohio Power Company
Item 1(b) Address of Issuer's Principal Executive Offices:
-----------------------------------------------
c/o American Electric Power Service Corporation
1 Riverside Plaza
Columbus, OH 43215
Item 2(a) Name of Person Filing:
---------------------
This filing is made on behalf of John Hancock Mutual Life
Insurance Company ("JHMLICO"), JHMLICO's wholly-owned subsidiary,
John Hancock Subsidiaries, Inc. ("JHSI"), JHSI's wholly-owned
subsidiary, The Berkeley Financial Group ("TBFG") and TBFG's
wholly-owned subsidiary, John Hancock Advisers, Inc. ("JHA").
Item 2(b) Address of the Principal Offices:
--------------------------------
The principal business offices of JHMLICO and JHSI are located at
John Hancock Place, P.O. Box 111, Boston, MA 02117. The principal
business offices of TBFG and JHA are located at 101 Huntington
Avenue, Boston, MA 02199.
Item 2(c) Citizenship:
-----------
JHMLICO and TBFG were organized and exist under the laws of the
Commonwealth of Massachusetts. JHSI and JHA were organized and
exist under the laws of the State of Delaware.
Item 2(d) Title of Class of Securities:
----------------------------
8.04% Cumulative Preferred Stock.
Item 2(e) CUSIP Number:
------------
677415507
Item 3 If the Statement is being filed pursuant to Rule 13d-1(b),
----------------------------------------------------------
or 13d-2(b), check whether the person filing is a:
-------------------------------------------------
JHMLICO: (a) (X) Broker or Dealer registered under (S)15 of the
Act.
(c) (X) Insurance Company as defined in (S)3(a)(19) of
the Act.
(e) (X) Investment Adviser registered under (S)203 of the
Investment Advisers Act of 1940.
(g) (X) Parent Holding Company, in accordance with
(S)240.13d-1(b)(ii)(G).
PAGE 6 OF 9 PAGES
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JHSI: (g) (X) Parent Holding Company, in accordance with
(S)240.13d-1(b)(ii)(G).
TBFG: (g) (X) Parent Holding Company, in accordance with
(S)240.13d-1(b)(ii)(G).
JHA: (e) (X) Investment Adviser registered under (S)203
of the Investment Advisers Act of 1940.
Item 4 Ownership:
----------
(a) Amount Beneficially Owned: -0-
-------------------------
(b) Percent of Class: -0-
----------------
(c) (i) Sole power to vote or to direct the vote: -0-
(ii) shared power to vote or to direct the vote: -0-
(iii) sole power to dispose or to direct the disposition of: -0-
(iv) shared power to dispose or to direct the disposition
of: -0-
Item 5 Ownership of Five Percent or Less of a Class:
--------------------------------------------
With this filing, the Reporting Persons state that they have ownership
of five percent or less of a class.
Item 6 Ownership of More than Five Percent on Behalf of Another Person:
---------------------------------------------------------------
Not Applicable.
Item 7 Identification and Classification of the Subsidiary which Acquired the
----------------------------------------------------------------------
Security Being Reported on by the Parent Holding Company:
------------------------------------------------------
Not Applicable.
Item 8 Identification and Classification of Members of the Group:
---------------------------------------------------------
Not Applicable.
Item 9 Notice of Dissolution of a Group:
--------------------------------
Not Applicable.
Item 10 Certification:
-------------
By signing below the undersigned certifies that, to the best of its
knowledge and belief, the securities referred to above were acquired in
the ordinary course of business and were not acquired for the purpose
of and do not have the effect of changing or influencing the control of
the issuer of such securities and were not acquired in connection with
or as a participant in any transaction having such purpose or effect.
PAGE 7 OF 9 PAGES
<PAGE>
SIGNATURE
After reasonable inquiry and to the best of its knowledge and belief, each
of the undersigned certifies that the information set forth in this statement is
true, complete and correct.
JOHN HANCOCK MUTUAL LIFE INSURANCE COMPANY
By: /s/ John T. Farady
---------------------------------------
Name: John T. Farady
-------------------------------------
Dated: November 7, 1995 Title: Sr. Vice President & Treasurer
----------------- ------------------------------------
JOHN HANCOCK SUBSIDIARIES, INC.
By: /s/ John T. Farady
---------------------------------------
Name: John T. Farady
-------------------------------------
Dated: November 7, 1995 Title: Sr. Vice President & Treasurer
----------------- ------------------------------------
THE BERKELEY FINANCIAL GROUP
By: /s/ Susan S. Newton
---------------------------------------
Name: Susan S. Newton
-------------------------------------
Dated: November 7, 1995 Title: Vice President & Assistant Secretary
----------------- -------------------------------------
JOHN HANCOCK ADVISERS, INC.
By: /s/ Susan S. Newton
---------------------------------------
Name: Susan S. Newton
-------------------------------------
Dated: November 7, 1995 Title: Vice President & Assistant Secretary
----------------- ------------------------------------
PAGE 8 OF 9 PAGES
<PAGE>
EXHIBIT A
JOINT FILING AGREEMENT
----------------------
John Hancock Mutual Life Insurance Company, John Hancock Subsidiaries,
Inc., The Berkeley Financial Group and John Hancock Advisers, Inc. agree that
the terminating Schedule 13G Amendment No. 1, to which this Agreement is
attached, relating to the 8.04% Cumulative Preferred Stock of Ohio Power
Company, is filed on behalf of each of them.
JOHN HANCOCK MUTUAL LIFE INSURANCE COMPANY
By: /s/ John T. Farady
---------------------------------------
Name: John T. Farady
-------------------------------------
Dated: November 7, 1995 Title: Sr. Vice President & Treasurer
----------------- ------------------------------------
JOHN HANCOCK SUBSIDIARIES, INC.
By: /s/ John T. Farady
---------------------------------------
Name: John T. Farady
-------------------------------------
Dated: November 7, 1995 Title: Sr. Vice President & Treasurer
----------------- ------------------------------------
THE BERKELEY FINANCIAL GROUP
By: /s/ Susan S. Newton
---------------------------------------
Name: Susan S. Newton
-------------------------------------
Dated: November 7, 1995 Title: Vice President & Assistant Secretary
----------------- -------------------------------------
JOHN HANCOCK ADVISERS, INC.
By: /s/ Susan S. Newton
---------------------------------------
Name: Susan S. Newton
-------------------------------------
Dated: November 7, 1995 Title: Vice President & Assistant Secretary
----------------- ------------------------------------
PAGE 9 OF 9 PAGES
