Why Tesla's hometown is investing in microgrids

Why Tesla's hometown is investing in microgrids

Cities have a significant opportunity to lead by example when it comes to innovative energy solutions. But the pot sweetens even more when sustainable energy decisions also contribute to a citys economic development strategy.

In the case of Fremont, where clean technology is considered one of its largest industry clusters, public-private partnerships can promote the testing of new technology, help its local companies scale and identify potential sustainability measures for city operations.

Reaching for an EPIC win

The city of Fremont and Gridscape Solutions are teaming up to pursue a California Energy Commission (CEC) Electric Program Investment Charge (EPIC) opportunity. This state program funds technology demonstrations of reliably integrating energy-efficient demand-side resources, distributed clean energy generation and smart grid components to protect and enable energy-smart critical facilities.

This follows on a previously successful collaborative effort where Gridscape Solutions assembled a consortium of partners for a city EV-charging infrastructure project, including the Fremont Chamber of Commerce, Prologis, Delta Products and the city of Fremont.

The proposed project consists of deploying a microgrid at three fire stations within Fremont. The proximity of Hayward Fault line to these Fire Stations, the maximum load capacity on the transmission line and the need to reduce grid dependency satisfy the most important grant requirements of providing energy savings, increasing electrical infrastructure resiliency, reducing carbon dioxide emissions and demonstrating islanding from the grid for up to three hours.

Using the combination of renewable generation and battery technologies, the microgrid project could save Fremont about $10,440 per each fire station and reduce CO2 emissions by 22,176 pounds per station per year.

The proposed microgrid design will provide at least three hours a day of power to the fire station in the event of a utility outage. The microgrid is also capable of responding to signals to proactively and seamlessly disconnect from the grid by using state-of-the-art microgrid controls and advanced load controls.

The implementation of the microgrid also serves to balance PV generation supply, efficient energy storage and campus loads to achieve Fremonts net zero energy goals by maximizing PV electrical energy usage behind the meter. During a utility outage, the power distribution may be isolated from the utility at the point of service by a microgrid inter-tie protection relay.

Source: GreenBiz

SMART GRID Bulletin October 2017


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