The last bits of ash and greenhouse gases from Hawaii’s only remaining coal-fired power plant slipped into the environment this week when the state’s dirtiest source of electricity burned its final pieces of fuel.
The last coal shipment arrived in the islands at the end of July, and the AES Corporation coal plant closed Thursday after 30 years in operation. The facility produced up to one-fifth of the electricity on Oahu — the most populous island in a state of nearly 1.5 million people.
