Investing in the Future

Self-Build Projects

Under the Competitive Bidding Framework rules approved by the PUC, Hawaiian Electric may propose "self-build" projects – developed, constructed and owned by the utility – to meet generation and/or capacity needs across its service territories.


Battery Energy Storage Systems (BESS)

In response to the August 2019 Request for Proposals, Hawaiian Electric submitted its own proposals to develop grid-tied battery energy storage systems (BESS). Two of five projects were selected by the RFP team on May 11, 2020: the Maui (Waena) and Hawaii Island (Keahole) BESS.

To learn more about battery energy storage systems, read our FAQs (PDF) and check out this short video.

Please see below for details on each proposed battery energy storage system (BESS), by island:


Maui County

On Maui, new renewable generation and storage is needed for the planned retirement of Kahului Power Plant by the end of 2024. Hawaiian Electric proposes to build a load-shifting BESS on its property near the Central Maui landfill. The PUC application for the project was filed on Sept. 8, 2020 with comments received through a virtual community meeting and during two public comment periods.

Waena
Project Summary & Community Outreach Plan Read the Waena summary & plan (PDF)
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Waena
Size / Capability 40 MW / 160 MWh (4 hr)
Type of BESS Load-shifting
Land Hawaiian Electric industrial zone
Virtual Public Mtg Watch the Facebook video broadcast of the interactive virtual public meeting held on April 8, 2020
View the Presentation View a video presentation on the Maui BESS project with narration by Jack Shriver, Director, Generation Project Development.
Environmental Compliance Read the Waena site Environmental Compliance Plan (PDF)
Comments / Questions Email Maui BESS

Hawaii Island

On Hawaii Island, Hawaiian Electric proposes to build a contingency battery storage system at its substation in Keahole to support reliable operations. The PUC application for the project was filed on Aug. 28, 2020 with comments received during a virtual community meeting and during two public comment periods.

Keahole
Project Summary & Community Outreach Plan Read the Keahole summary & plan (PDF)
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Keahole
Size / Capability 12 MW / 12 MWh (1 hr)
Type of BESS Contingency
Land Hawaiian Electric industrial zone
Virtual Public Mtg Watch a video recording of the interactive virtual public meeting held on April 15, 2020
View the Presentation View a video presentation on the Keahole project narrated by Darren Elisaga and Len Nakano of Hawaiian Electric's Hawaii Island utility operations.
Environmental Compliance Read the Keahole site Environmental Compliance Plan (PDF)