SECURITIES AND EXCHANGE COMMISSION

                                WASHINGTON, D.C.

                                    FORM U-57

                 NOTIFICATION OF FOREIGN UTILITY COMPANY STATUS

                        FILED UNDER SECTION 33(A) OF THE
             PUBLIC UTILITY HOLDING COMPANY ACT OF 1935, AS AMENDED

                    COMPANIA ELECTRICA CENTRAL BULO BULO S.A.
                        (name of foreign utility company)

     Compania  Electrica Central Bulo Bulo S.A. ("Bulo Bulo"), a company formed
under  the  laws  of  the Republic of Bolivia, hereby files this Form U-57 under
Section 33(a) of the Public Utility Holding Company Act, as amended, (the "Act")
for  the  purpose  of notifying the U.S. Securities and Exchange Commission that
Bulo  Bulo  is  a  "foreign  utility company" under Section 33(a) of the Act, 15
U.S.C.  Sec.  79z-5b(a).  Bulo Bulo is a subsidiary company of NRG Energy, Inc.,
which  is  a  wholly-owned  subsidiary  company  of  Xcel  Energy,  Inc.

ITEM  1:  NAME,  BUSINESS ADDRESS, DESCRIPTION OF FACILITIES, AND, TO THE EXTENT
- --------
KNOWN,  EACH  PERSON  WHO HOLDS FIVE PERCENT OR MORE OF THE VOTING SECURITIES OF
THE  FOREIGN  UTILITY  COMPANY.

     The  name and address of the entity claiming foreign utility company status
is:

                    Compania Electrica Central Bulo Bulo S.A.
 c/o Compania Boliviana de Energia Electrica S.A.-Bolivian Power Company Limited
                         Avenida Hernando Siles No. 5635
                                 Obrajes, La Paz
                                     Bolivia

     Bulo  Bulo  owns  and  operates  an  approximately  87-MW natural gas-fired
electric  generating  facility  located within the Carrasco gas production field
near  Santa  Cruz, Republic of Bolivia.  The following persons hold five percent
(5%)  or  more  of  the  voting  securities  of  Bulo  Bulo:

                 Person                          % Ownership
                 ------                          -----------
                 Inversiones Bulo Bulo, S.A.        99.98%


ITEM 2: NAME OF ANY DOMESTIC ASSOCIATE PUBLIC-UTILITY COMPANY, DESCRIPTION OF - -------- THE RELATIONSHIP BETWEEN SUCH COMPANY AND THE FOREIGN UTILITY COMPANY, AND PURCHASE PRICE PAID BY SUCH COMPANY FOR ITS INTEREST IN THE FOREIGN UTILITY COMPANY. The following are the domestic public-utility companies and their holding companies that are associate companies of Bulo Bulo: Southwestern Public Service Company, Public Service Company of Colorado, Cheyenne Light, Fuel and Power Company, Northern States Power Company, Northern States Power Company-Wisconsin, and Black Mountain Gas Company (collectively, the "Xcel Companies") are domestic associate public-utility companies of Bulo Bulo. The Xcel Companies are subsidiary companies of Xcel Energy, Inc. No portion of the purchase price of Bulo Bulo was paid by any domestic associate public utility company of Bulo Bulo. EXHIBIT A STATE CERTIFICATION(S) REQUIRED UNDER SECTION 33(A)(2) OF THE ACT The Xcel Companies are subsidiary companies of Xcel Energy, Inc., a registered holding company, and therefore, pursuant to Section 33(a)(2) of the Act, 15 U.S.C. Sec. 79z-5b(a)(2), are not required to obtain state certification. Bulo Bulo has duly caused this statement to be signed on its behalf by the undersigned thereunto duly authorized. /s/ -------------------------------------------- Renee Jakubiak Sass, Director Compania Electrica Central Bulo Bulo S.A. Avenida Hernando Siles No. 5635 Obrajes, La Paz Bolivia August 28, 2002 205741_1.DOC 2