The Hawaiian Electric Industries, the parent company of Hawaii’s investor-owned utilities, has officially kicked off the second phase of its renewable energy procurement agreement, whose roots date back to 2017.
Of the Hawaiian Islands, phase 2 procurement focuses on Oahu, Maui and Hawaii, with the former two given clear renewable generation and battery storage targets, while Hawaii’s figures are a bit more up-in-the-air.
All of the energy and capacity designations in this request for proposals are made in annual MWh for generation, while the accompanying storage is outlined in MW and MWh. The proposed RFP calls for Oahu to add 1,300,000 MWh of renewable generation, as well as 200 MW of storage (438,000 MWh). For Maui, those numbers are 295,000 MWh generation and 40 MW of energy storage (58,000 MWh). Hawaii will add somewhere between 70,000 and 444,000 MWh generation, with a ballpark of 18 MW of battery storage.
Using average capacity factors for Hawaii, the actual MW figure – how much generation the utilities are seeking – can be extracted. For Oahu, that figure is just over 148 MW. Maui isn expected to be on the receiving end of 50 MW, while Hawaii’s deployment is unclear so far and will be somewhere between 8 and 51 MW.
Another odd piece of this RFP is the storage seems to be more paramount of a goal than the renewable generation. This is supported contextually by the previous mention of energy figures, and by some wording in the RFP.
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