An Island’s Path to 100% Renewables

By [email protected] The grid of the future lies 850 miles off the coast of Portugal, on an island in the Azores called Graciosa.

The island has always been dependent on fossil fuels. But in 2018, that changed. That’s when a group of developers kicked off a hybrid wind-solar-battery storage power plant to slash diesel consumption.

The plant consists of 1 megawatt of solar, 4.5 megawatts of wind, and a 6 megawatt/3.2 megawatt-hour energy storage system.

The power plant has changed Graciosa’s energy mix. In 2020, there were 128 days when the island was entirely powered by renewable energy. And Graciosa is now saving 190,000 liters

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