g:\nitido\exh22.doc Exhibit 21 Tucson Electric Power Company Subsidiaries Subsidiary State of Incorporation Brookland Financial Corporation California BFC Receivables Financing Corporation I Delaware BFC Receivables Financing Corporation II Delaware BFC Receivables Financing Corporation III Delaware Catalina Securities Inc. New York Escavada Company Arizona Gallo Wash Development Company Arizona Irvine Portfolio Services Corporation California Nations Energy Corporation, Escalante Resources Inc. (prior to 1/5/95) Arizona Palomas Securities Inc. New York Pantano Securities Inc. New York Picacho-Warner Center Inc. Arizona Rincon Investing Company Arizona Sabino Investing Inc. Delaware San Carlos Resources Inc. Arizona Santa Clara Resources Inc. Delaware Santa Cruz Resources Inc. Delaware Santa Rita Energy Inc. Delaware Santa Rita Jonesboro, Inc. Delaware Santa Rita West Enfield, Inc. Delaware Santa Rosa Resources Inc. Arizona Sierrita Resources Inc. Delaware Sofar 1 Inc. Arizona Sofar 2 Inc. Arizona Sofar 3 Inc. Arizona Sofar 4 Inc. Arizona Tucson Resources Inc. Delaware Tucsonel Inc. Arizona Valencia Energy Company Arizona