purchase

Calpine plans to purchase a nominal 809-MW, combined-cycle power plant and related plant inventory from Exelon for $530 million, subject to working capital adjustments. The natural gas-fired plant is located in North Weymouth, Massachusetts, 12 miles southeast of Boston. Built in 2003, Fore River Generating Station features two Mitsubishi 501G combustion turbines, two heat recovery steam generators and one Mitsubishi steam turbine. Calpine expects the transaction to close in the fourth quarter of 2014 and intends to fund the transaction with cash on hand.

Arizona Public Service completed its purchase of Southern California Edison's (SCE) ownership in Units 4 and 5 of the Four Corners Power Plant near Farmington, N.M. As part of its plan - originally announced in November 2010 - APS has permanently closed the plant's older, less efficient Units 1, 2 and 3, and will install additional emission controls on the remaining units. Acquiring SCE's 48 percent interest in the larger Units 4 and 5 will increase APS's total Four Corners capacity from 791 MW to 970 MW.

Alterra completed an amendment of its PPA for the 62-MW Jimmie Creek run-of-river hydroelectric project. Under the agreement, the Jimmie Creek project will sell 100% of its power to BC Hydro for 40 years commencing in August 2016. Alterra has also agreed to purchase the 49% project stake currently held by an affiliate of General Electric Energy Financial Services. Upon closing of this transaction, Alterra will own 100% of the Jimmie Creek project. All first nations agreements and environmental permits for Jimmie Creek are in place.