HECO is pursuing a brilliant strategy.  Give lip service to Inge and Iwase's "vision" while waiting for them to be defenestrated.
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In the interim the Governor and his PUC will grant HECO every rate increase they submit to achieve the 100% renewable goal.
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For a postcard from the future of Hawaii's energy costs look to the Canadian province of Ontario.  Rich in hydro a similarly inept government has instead pursued solar and wind resulting in exponential cost increases which have cause industry to flee to neighboring provinces and (gasp) upstate New York where energy is cheaper.