A US government energy saving scheme will pay out US$40 million for the development of a solar-plus-storage microgrid at a missile test site operated by the country’s military.

Energy Savings Performance Contracting (ESPC), a policy in place in all 50 states of the US, “providing upfront capital for energy efficiency projects” to be repaid over time by the cost of energy saved, was applied to facilities at U.S. Army Garrison Kwajalein in the Pacific’s Marshall Islands.

Engineering solutions and equipment supply firm Johnson Controls will build a solar PV generation microgrid, with lithium-ion battery storage and control system, linked with new LED lighting. Lighting costs should be reduced by around 64% and diesel usage by 55% at the facility, on the Kwajalein Atoll.

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