Amber Kinetics and Hawaiian Electric Company have agreed to conduct a joint energy storage pilot project to test the capability of a flywheel system.

Amber Kinetics will build and install an Amber Gen2© Model 25 steel flywheel system, the first commercially available four-hour duration flywheel, at Hawaiian Electric’s Campbell Industrial Park generating station on O‘ahu, where the utility will evaluate its operation.

Amber’s innovative steel flywheel is a multi-hour energy storage system capable of charging and discharging electricity for multiple duty cycles per day. A flywheel is a rotating mechanical device that is used to store and release energy. The storage system can provide renewable firming and peak energy shifting, flexible capacity, and ancillary services like voltage smoothing and frequency response for reliable utility operation.

“Hawaiian Electric Company is a leader among U.S. utilities for adopting and integrating renewable energy to create a sustainable energy future. Now it is continuing that leadership by exploring the potential of flywheel energy storage,” said Ed Chiao, Amber Kinetics’ co-founder and CEO. “We are excited to collaborate toward achieving the state’s 100 percent renewable energy goals by 2045.”

The Amber Kinetics system can support unlimited cycling with zero capacity loss over a 20-year-plus service life and is readily deployed outdoors. Other advantages of the Amber Kinetics energy storage system include safety, sustainability, full recyclability, and cost competitiveness over electrochemical batteries.

“Energy storage is essential to reach a 100 percent renewable energy future, optimizing the use of Hawai‘i’s abundant but variable solar and wind energy,” said Shelee Kimura, Hawaiian Electric vice president for corporate planning and business development. “We are collaborating with a variety of partners to test a range of energy storage technologies and we are very excited to work with Amber Kinetics to evaluate this very promising flywheel energy storage system.”

The project is jointly funded by Hawaiian Electric and Energy Excelerator. In addition, Energy Excelerator and Hawaiian Electric are collaborating on nearly a dozen clean energy projects, such as Stem Inc.’s one-megawatt behind-the-meter energy storage project and Bidgely’s behavior-based demand response tool.

About Amber Kinetics
Headquartered in Union City, CA, Amber Kinetics was founded in anticipation of the enormous worldwide demand for competitively priced, safe, environmentally sustainable, multi-hour energy storage. The company is vertically integrated, manufacturing its technology and developing energy storage projects using its flywheel system — a common model in the PV solar industry. For more information, visit

About Hawaiian Electric
For 125 years, Hawaiian Electric Company has provided the energy that has fueled the islands’ development from a Hawaiian kingdom to a modern American state. Hawaiian Electric Company and its subsidiaries Maui Electric Company and Hawaii Electric Light Company serve 95 percent of the state’s 1.4 million residents on the islands of O‘ahu, Maui, Hawai‘i Island, Lāna‘i and Moloka‘i. For more information, visit

About Energy Excelerator
Energy Excelerator funds innovative startups to help create a 100 percent clean energy future, starting in Hawaii and Asia-Pacific. Energy Excelerator invests in energy, water, transportation, agriculture, and cybersecurity companies and opens up a world-class network of investors and customers to help their startup companies change the world. Energy Excelerator is primarily funded by the U.S. Navy, U.S. Department of Energy, and its corporate partners; and operates as a program of the Pacific International Center for High Technology Research (PICHTR). For more information, visit

Media Contacts
Bill Barnes, Managing Director
Amber Kinetics
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Cell: (415) 218-3935
Tel: (510) 474-1000 x708

Peter Rosegg
Hawaiian Electric Company
(808) 543-7780
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