Other	6 Months Ended
Jun. 30, 2015
Other [Abstract]
Other Material Items [Text Block]	Other Long-Term Debt On May 26, 2015, PSE issued $425.0 million of senior notes secured by first mortgage bonds. The notes mature in May 2045 and have an interest rate of 4.30%, which is payable semi-annually in May and November. Net proceeds of the issuance were used to fund the early retirement, including accrued interest and make-whole call premiums, of PSE's $150.0 million 5.197% senior notes maturing in October 2015 and PSE's $250.0 million 6.75% senior notes maturing in January 2016. On May 12, 2015, Puget Energy issued $400.0 million of senior secured notes. The notes mature in May 2025 and have an interest rate of 3.65%, which is payable semi-annually in May and November. Net proceeds of the issuance were used to repay $299.1 million principal amount outstanding under Puget Energy's term loans, as well as accrued interest, and to fund a special dividend to shareholders of approximately $96.7 million.

Other

Long-Term Debt

On May 26, 2015, PSE issued $425.0 million of senior notes secured by first mortgage bonds. The notes mature in May 2045 and have an interest rate of 4.30%, which is payable semi-annually in May and November. Net proceeds of the issuance were used to fund the early retirement, including accrued interest and make-whole call premiums, of PSE's $150.0 million 5.197% senior notes maturing in October 2015 and PSE's $250.0 million 6.75% senior notes maturing in January 2016.

On May 12, 2015, Puget Energy issued $400.0 million of senior secured notes. The notes mature in May 2025 and have an interest rate of 3.65%, which is payable semi-annually in May and November. Net proceeds of the issuance were used to repay $299.1 million principal amount outstanding under Puget Energy's term loans, as well as accrued interest, and to fund a special dividend to shareholders of approximately $96.7 million.