Swell Energy Secures Grid Services Contract with Hawaiian Electric


Swell Energy Inc., a California-based energy and smart grid solutions provider, says the Hawaii Public Utilities Commission (PUC) has approved its $25 million contract with Hawaiian Electric for the delivery of various grid services through an aggregated virtual power plant (VPP) on three islands. 

Swell Energy will deploy behind-the-meter solar-powered home batteries to approximately 6,000 residential customers to create a comprehensive VPP on Oahu, Maui and Hawaii islands. The company’s VPPs are based on an aggregated network of distributed energy resources that provide a variety of benefits to utilities and their customers. This large-scale commercial VPP in Hawaii represents an important advance in battery technology and capability.

The Hawaii program will deliver more than 25 MW of solar power paired with over 80 MW of batteries and 100 MWh of stored energy, delivering capacity and frequency response to the three island grids while also reducing bills for participating customers.

The contract was awarded in response to Hawaiian Electric’s request for dispatchable energy storage and renewable generation through distributed energy resources along with capacity and ancillary services to ensure adequate supply and power system reliability across the Hawaiian Electric service territory. Swell Energy will augment Hawaiian Electric’s energy supply by relieving the grids of excess renewable energy as production spikes and absorbing excess wind energy when needed, thereby reducing peak demand and providing 24/7 fast frequency response to balance the grids. The renewable energy storage systems will collectively respond to grid needs dynamically, moment-to-moment.

“An agreement of this scale and scope was required to support Hawaiian Electric’s clean energy goals across the three islands,” says Suleman Khan, CEO of Swell Energy. “Providing this level of capacity and ancillary services establishes a new standard for VPPs and builds on Swell Energy’s deployments across the mainland U.S. This fleet of dispatchable energy resources benefits the utility and allows customers to save money and come together to form a more resilient grid.”

The pogram is available to Oahu, Maui and Hawaii Island customers who are seeking solar energy with a home battery for back-up capability, as well as those who already have solar systems with storage installed. This is one of several VPPs that Swell Energy is launching with other investor-owned utilities and community choice aggregation programs in the U.S. These VPPs offer a variety of customized grid services determined by the needs of the communities and utilities they serve. Notably, the Hawaii program will form Swell Energy’s largest VPP to date.

Swell is launching the first phase of its VPP program in partnership with RevoluSun, a Hawaii-based residential solar company. Homeowners interested in adopting solar+storage solutions and enrolling in the Hawaii program can sign up for announcements on the Swell Energy website by clicking here.

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