NRG Yield will pay $285m for total ownership of 137.5MW of operating generation capacity, and assume $287.4m of non-recourse project-level debt.

NRG Yield expects to close the transaction by 30 June. The deal is subject to customary closing conditions including approvals by the Federal Energy Regulatory Commission and notice of the acquisition to the California Public Utilities Commission.

Sumitomo owns 50% of the project and NextERa Energy Resources 25%.

The