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Wednesday, September 16, 2020
HECO Releases info on Solar Battery Projects -- Prices Vary by 46%
By News Release @ 8:24 PM :: 780 Views :: Energy, Cost of Living

New renewable projects submitted to regulators will produce lower-cost electricity, advance clean energy

Will end use of coal in Hawai'i, enable retirement of Kahului plant

News Release from HECO, 9/16/2020 

HONOLULU, Sept. 16, 2020 -- Hawaiian Electric, a subsidiary of Hawaiian Electric Industries, Inc. (NYSE: HE), has submitted eight contracts for new grid-scale renewable energy and storage projects on O'ahu and Maui to the Public Utilities Commission (PUC) for review and approval.

The six projects on O'ahu and two on Maui are part of the largest renewable energy procurement ever for Hawai'i. If approved and completed, the combined projects are expected to lower electric bills on average by about $1 a month on O'ahu and Maui.

The O'ahu projects are expected to provide generation and storage needed to retire the state's only coal plant, the 180-megawatt (MW) plant at Campbell Industrial Park owned by AES, by September 2022. On Maui, the successful completion of renewable energy projects will help enable the retirement of the 38 MW oil-fired Kahului plant in 2024.

These projects were part of the second phase of Hawaiian Electric's renewable procurement effort that began in February 2018. Three of the original projects withdrew and contracts for three other projects are still being negotiated with Hawaiian Electric.

"As planned, these projects will significantly advance our state's renewable energy transformation and benefit everyone by reducing our exposure to volatile oil prices," said Jim Alberts, Hawaiian Electric senior vice president of business development and strategic planning.

In addition to the projects planned by independent developers, Hawaiian Electric plans to build two standalone energy storage projects, one on Maui and one on Hawai'i Island. Those projects were submitted earlier to the PUC for review and approval.

The eight contracts submitted for regulatory review represent nearly 300 MW of new renewable generation and about 2,000 megawatt hours (MWh) of storage. If completed on schedule in 2022 and 2023, they are estimated to add approximately 9 percentage points to the renewable portfolio on the five islands served by Hawaiian Electric.

The company's renewable portfolio is expected to reach 30 percent by the end of this year with the anticipated return to service of Puna Geothermal Venture on Hawai'i Island.

The projects and their prices are listed on the following page:

O'ahu          
Developer Project Location  Technology MW/MWh Price
174 Power Global Kupehau Solar Kunia Solar + Storage 60/240 12.8¢ per kWh
AES Distributed Energy Waiawa Phase 2 Solar Waiawa Solar + Storage 30/240 12.4¢
AES Distributed Energy Mountain View Dairy Solar Waiʻanae Solar + Storage Jul-35 13.0¢
Innergex Renewable  Energy Barbers PointSolar Kalaeloa Solar + Storage 15/60 11.2¢
Longroad Development Mahi Solar Kunia Solar + Storage 120/480 9.7¢
Energy Storage Resource Kapolei Energy Storage Barbers Point Harbor Storage * *
Maui          
Developer Project Location  Technology MW/MWh Price
Longroad Development Pulehu Solar Pūlehu Solar + Storage 40/160 9.2¢
Innergex Renewable  Energy Kahana Solar Nāpili-Honokōwai Solar + Storage 20/80 8.9¢

  * Kapolei Energy Storage does not produce energy so has no per unit price. A fixed monthly payment is made for energy stored in a single battery system intended to provide a four-hour, 135 MW, 540 MWh load-shift of energy to the evening hours when demand increases but solar generation diminishes and a 30-minute, 50 MW, 25 MWh fast frequency response in case of a system contingency to allow operators time for other resources to stabilize the grid.

Hawaiian Electric has made community outreach a formal part of the procurement process and requires developers to engage with residents in the communities where their projects are planned. Community members will have the opportunity to provide comments and feedback as part of the regulatory review process.

At the end of 2019, Hawaiian Electric had 902 MW of solar capacity on its five island grids, including approximately 684 MW of solar capacity from customer-sited rooftop solar systems that now number over 85,000. These new projects, if approved and completed, will increase solar capacity by a third.

Contract documents filed by the company will be available on the PUC website at https://dms.puc.hawaii.gov/dms/.

---30---  

IM: Hawaiian Electric Files Eight PUC Dockets Simultaneously

Sept 15, 2020: HEI Releases First Consolidated Environmental, Social and Governance (ESG) Report 

IM: Hawai`i Energy Webinars -- Climate Change, HECO, Hydrogen, Ocean Energy 

MN: Two solar power, battery storage projects are submitted to PUC

MN: Maui Renewable Energy Project Would Enable Retirement of the Kahului Plant in 2024

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