He said the success of geothermal energy on the Big Island is an example of how the corporation's efforts are paying off.
Sen. Rosalyn Baker from Maui said Hawaiian Electric needs to do more to decrease costs for consumers in the short run.
She said it's frustrating to see idle wind turbines in Maui and questioned the company's timeline for implementing renewable energy.
Division of Consumer Advocacy Executive Director Jeffrey Ono said Hawaii residents are shouldering the cost of compensating Hawaiian Electric Industries executives.
He is pushing for a bill to give the Public Utilities Commission more detailed data about electricity contracts. He also wants a measure to finance renewable energy infrastructure.