Ku’oko’a Inc. had a big idea to buy Hawaiian Electric Industries and convert the state’s main utility rather quickly to generate only renewable energy at a savings to consumers.

But that effort is dead.

Most executives and board directors have left the roughly 2-year-old company, including two of its three co-founders.

The company no longer intends to pursue buying Hawaiian Electric, but will continue efforts to help reduce Hawaii’s dependence on renewable energy, according to Aaron Landry, Ku’oko’a’s chief operating officer.