As more car dealerships add electric vehicle (EV) chargers to ensure customers drive off the lot fully charged, they face high demand charges from utilities–charges that microgrids can slash.

For example, New York automobile dealership Vail Buick GMC installed a microgrid to supply EV charging and load management–and reduced its energy costs by 90%, according to Maria Fields, CEO and co-founder, Sprocket Power, which installed the microgrid.

When the Bedford Hills-based dealership added EV charging, demand jumped from 25 KW to 100 KW, sparking high demand charges, she said.

Dealership’s utility costs drop by 90% with microgrid

The microgrid includes 100 KW of solar and 186 kWh of energy storage and charges two 19.5-kW chargers and one 62.5-kW charger. The net annual utility bill dropped by 90%–higher than the 79% anticipated decrease, she said.

In this case, the solar and storage system cost $888,452 and the EV charging equipment cost $249,25. The net capital cost dropped to $232,927 by taking advantage of a $625,525 federal Investment Tax Credit (ITC) from the Inflation Reduction Act (IRA) and a modified cost recovery system.

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https://www.microgridknowledge.com/distributed-energy-resources/article/55311998/how-ev-charging-microgrids-can-pencil-out-for-car-dealers-without-the-solar-ev-tax-credit