Hawaii Electric Light Co. has selected Ormat Technologies to provide an additional 25-megawatts of geothermal energy to the Big Island.

The company, with headquarters in Reno, Nevada, already operates the state’s sole geothermal plant, Puna Geothermal Venture.

Puna geothermal

Puna Geothermal plant on the Big Island.

Courtesy of Puna Geothermal Venture

The selection closes a drawn-out competitive bidding process that the electric utility initiated in November 2012. Companies were asked to resubmit bids after the utility said the proposals came in too high.

“Ormat was selected based on numerous criteria, including attractive pricing, technical design and capability, financial soundness, as well as commitment to resolving all environmental issues and to working with our Hawai‘i Island communities,” Jay Ignacio, HELCO’s president, said in a press release.

A formal contract for the energy still needs to be negotiated and submitted to the Public Utilities Commission for review, according to a HELCO spokeswoman.

More than 47 percent of the Big Island’s electricity is currently generated from renewable resources, including wind, hydro, rooftop solar and geothermal, according to HELCO.

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