SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)

                    INFORMATION TO BE INCLUDED IN STATEMENTS
                   FILED PURSUANT TO RULES 13d-1(b), (c), AND
                        (d) AND AMENDMENTS THERETO FILED
                            PURSUANT TO RULE 13d-2(b)
                                (Amendment No. )*

                            Ocean Power Technologies
                         ------------------------------

                                (Name of Issuer)

                                  Common Stock
                         ------------------------------

                         (Title of Class of Securities)

                                    674870308
                         ------------------------------
                                 (CUSIP Number)

                                DECEMBER 31, 2007
             -------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

        Check the appropriate box to designate the rule pursuant to which
                             this Schedule is filed:

                                (x) Rule 13d-1(b)
                                ( ) Rule 13d-1(c)
                                ( ) Rule 13d-1(d)

----------------
*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).
                        (Continued on following page(s))



1.      NAME OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

        Teachers Advisors, Inc.
        I.R.S. # 13-3760073

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP  (a) ( )
                                                          (b) ( )


3. SEC USE ONLY


4. CITIZENSHIP OR PLACE OF ORGANIZATION

        Delaware

NUMBER OF SHARES BENEFICIALLY OWNED
BY EACH REPORTING PERSON WITH:

        5.      SOLE VOTING POWER                 95,342

        6.      SHARED VOTING POWER               0

        7.      SOLE DISPOSITIVE POWER            95,342

        8.      SHARED DISPOSITIVE POWER          0

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                     95,342

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ( )


11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                                     0.94%

12.     TYPE OF REPORTING PERSON

                                       IA



1.      NAME OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

        TIAA-CREF Investment Management, LLC
        I.R.S. #13-3586142

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP  (a) ( )
                                                          (b) ( )


3.      SEC USE ONLY


4.      CITIZENSHIP OR PLACE OF ORGANIZATION

        Delaware

NUMBER OF SHARES BENEFICIALLY OWNED
BY EACH REPORTING PERSON WITH:

        5.      SOLE VOTING POWER                 504,658

        6.      SHARED VOTING POWER               0

        7.      SOLE DISPOSITIVE POWER            504,658

        8.      SHARED DISPOSITIVE POWER          0

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                    504,658

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ( )


11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                                      4.94%

12.     TYPE OF REPORTING PERSON

                                    IA




Item 1(a).     NAME OF ISSUER:

                      Ocean Power Technologies

Item 1(b).     ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

                      1590 Reed Road
                      Pennington, NJ 08534

Items 2(a)-2(c).      NAME, ADDRESS OF PRINCIPAL BUSINESS OFFICE, AND
                      CITIZENSHIP OF PERSONS FILING:

                      Teachers Advisors, Inc. ("Advisors")
                      730 Third Avenue
                      New York, NY  10017
                      Citizenship:  Delaware

                      TIAA-CREF Investment Management, LLC
                      ("Investment Management")
                      730 Third Avenue
                      New York, NY  10017
                      Citizenship:  Delaware



Item 2(d).     TITLE OF CLASS OF SECURITIES:

                      Common Stock

Item 2(e).     CUSIP NUMBER:  674870308

Item 3.        IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b), OR
               13d-2(b) or (c), CHECK WHETHER THE PERSON FILING IS A:




ADVISORS

(a)     ( )    Broker or dealer registered under Section 15 of the Exchange Act.

(b)     ( )    Bank as defined in Section 3(a)(6) of the Exchange Act.

(c)     ( )    Insurance Company as defined in Section 3(a)(19) of the Exchange
               Act.

(d)     ( )    Investment Company registered under Section 8 of the Investment
               Company Act.

(e)     (x)    An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E).

(f)     ( )    An employee benefit plan or endowment fund in accordance with
               Rule 13d-1(b)(1)(ii)(F).

(g)     ( )    A parent holding company or control person in accordance with
               Rule 13d-1(b)(1)(ii)(G).

(h)     ( )    A savings association as defined in Section 3(b) of the Federal
               Deposit Insurance Act.

(i)     ( )    A church plan that is excluded from the definition of an
               investment company under Section 3(c)(14) of the Investment
               Company Act.

(j)     ( )    Group, in accordance with Rule 13d-1(b)(1)(ii)(J).



INVESTMENT MANAGEMENT

(a)     ( )    Broker or dealer registered under Section 15 of the Exchange Act.

(b)     ( )    Bank as defined in Section 3(a)(6) of the Exchange Act.

(c)     ( )    Insurance Company as defined in Section 3(a)(19) of the Exchange
               Act.

(d)     ( )    Investment Company registered under Section 8 of the Investment
               Company Act.

(e)     (x)    An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E).

(f)     ( )    An employee benefit plan or endowment fund in accordance with
               Rule 13d-1(b)(1)(ii)(F).

(g)     ( )    A parent holding company or control person in accordance with
               Rule 13d-1(b)(1)(ii)(G).

(h)     ( )    A savings association as defined in Section 3(b) of the Federal
               Deposit Insurance Act.

(i)     ( )    A church plan that is excluded from the definition of an
               investment company under Section 3(c)(14) of the Investment
               Company Act.

(j)     ( )    Group, in accordance with Rule 13d-1(b)(1)(ii)(J).


If this statement is filed pursuant to Rule 13d-1(c), check this box. ( )


Item 4.        OWNERSHIP

               (a) Aggregate amount beneficially owned: (See Exhibit A)

               (b) Percent of class: 5.88 %

               (c) Powers of shares:

                             Investment Management        Advisors
                             ---------------------        --------

Sole Voting Power:           504,658                      95,342

Shared Voting Power:         0                            0

Sole Dispositive Power:      504,658                      95,342

Shared Dispositive Power:    0                            0

Item 5.        OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

               If this statement is being filed to report the fact that as of
               the date hereof the reporting person has ceased to be the
               beneficial owner of more than five percent of the class of
               securities, check the following ( ).

Item 6.        OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

               See Exhibit A



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 GROUP.

               Not Applicable


Item 10.       CERTIFICATION.

               By signing below I certify that, to the best of my knowledge and
               belief, the securities referred to above were acquired and are
               held in the ordinary course of business and were not acquired and
               are not held for the purpose of or with the effect of changing or
               influencing the control of the issuer of the securities and were
               not acquired and are not held in connection with or as a
               participant in any transaction having that purpose or effect.

               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.

               Date: February 14, 2008

                                              TIAA-CREF INVESTMENT
                                              MANAGEMENT, LLC

                                              By:  /s/ Michael Albert
                                                  -------------------
                                              Michael Albert
                                              Managing Director


                                              TEACHERS ADVISORS, INC.

                                              By:  /s/ Michael Albert
                                                  -------------------
                                              Michael Albert
                                              Managing Director




                                    EXHIBIT A


ITEM 6.  OWNERSHIP.

TIAA-CREF Investment Management, LLC ("Investment Management") acts as an
investment adviser to the College Retirement Equities Fund ("CREF"), a
registered investment company, and may be deemed to be a beneficial owner of
504,658 shares of Issuer's common stock owned by CREF. Teachers Advisors, Inc.
("Advisors") is the investment adviser to a registered investment company,
TIAA-CREF Institutional Mutual Funds ("Institutional Funds") as well as the
TIAA-CREF Asset Management Commingled Funds Trust I ("TCAM Funds"), and may be
deemed to be a beneficial owner of 95,342 shares of Issuer's common stock owned
by Institutional Funds. Investment Management and Advisors are reporting their
combined holdings for the purpose of administrative convenience. These shares
were acquired in the ordinary course of business, and not with the purpose or
effect of changing or influencing control of the Issuer. Each of Investment
Management and Advisors expressly disclaims beneficial ownership of the other's
securities holdings and each disclaims that it is a member of a "group" with the
other.