Ivanpah's underperformance leaves PPA at risk: report

The landmark 392MW Ivanpah, designed and developed by BrightSource Energy and now majority owned by NRG Energy, is supposed to generate 1 million MWh per year.

Under its PPA with Pacific Gas & Electric, which covers two of the plant's three power-tower units, Ivanpah is required to deliver at least 70% of that amount on average during its first two years of operation.

But