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


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