US missile test site gets microgrid

A US Army missile test site is to receive a $40m energy resiliency upgrade after receiving government funds through an Energy Savings Performance Contract (ESPC).

The funding will pay for a solar+storage microgrid at the Army garrison on the Kwajalein Atoll in the Marshall Islands, home of the Ronald Reagan Ballistic Missile Defence Test Site. à‚ 

Johnson Controls Federal Systems (JCFS), a division of Johnson Controls that works exclusively on US government projects, will deliver the design, implementation and long-term operation of the island-wide PV system with lithium-ion battery storage, as well as a microgrid control system and LED lighting systems.

The LED upgrades are expected to reduce existing lighting energy costs by 64 per cent and the use of PV and battery storage should reduce diesel consumption by 55 per cent.

For the project, Johnson Controls said its Distributed Energy Storage team developed an integrated battery solution that can be replicated across the US defence department. The project enables the site to facilitate the use of renewables within an existing grid that has relied primarily on fossil fuel-based solutions, the company said.

Over a 20-year lifetime, the microgrid is expected to save the garrison more than $2.2m per year in energy and operational savings.

Derek Miller, the site’s energy manager, said the Army’s partnership with Johnson Controls “proves that ESPC projects can be cost-effectively implemented at remote sites”.à‚ 




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