EXHIBIT 21 SUBSIDIARIES 1. ConneXt 1301 Fifth Avenue Suite 1900 Seattle, WA 98101 2. GP Acquisition Corp. c/o James W. Eldredge 411 108th Ave. N.E., 15th Floor Bellevue, WA 98004-5515 3. LP Acquisition Corp. c/o James W. Eldredge 411 108th Ave. N.E., 15th Floor Bellevue, WA 98004-5515 4. Hydro Energy Development Corporation (HEDC) 19515 North Creek Parkway Suite 310 Bothell, Washington 98011 5. Hydro-West Group LLC 19515 North Creek Parkway Suite 310 Bothell, Washington 98011 6. PSE Security Assets, Inc. c/o James W. Eldredge 411 108th Ave. N.E., 15th Floor Bellevue, WA 98004-5515 7. PSE Utility Solutions, Inc. 19515 North Creek Parkway Suite 310 Bothell, Washington 98011 8. Puget Energy, Inc. c/o James W. Eldredge 411 108th Ave. N.E., 15th Floor Bellevue, WA 98004-5515 9. Puget Western, Inc. 19515 North Creek Parkway Suite 310 Bothell, Washington 98011 10. Puget Sound Energy Services, Inc. 19515 North Creek Parkway Suite 310 Bothell, Washington 98011 11. Washington Energy Gas Marketing Company c/o James W. Eldredge 411 108th Ave. N.E., 15th Floor Bellevue, WA 98004-5515 12. WNG CAP I, Inc. c/o James W. Eldredge 411 108th Ave. N.E., 15th Floor Bellevue, WA 98004-5515