Hawaiian Electric Company (HECO) is mandated by the state to meet a 100% renewable portfolio standard
(RPS) by the end of 2045. To map out the transition, HECO needs to work with a diverse array of
stakeholders, including state and local governments, private landowners, the tourism industry,
renewable energy developers, consumer advocates, and environmentalists.
HECO hired E3, a Willdan Compnay, based on our experience in modeling electricity systems; our
groundbreaking work in long-term, high-RPS planning in California and New York; and our unbiased,
fact-based approach to working with utilities, regulators, environmentalists, and other stakeholders.
Using our Renewable Integration Solutions Model (RESOLVE), we provided several least cost plans for
achieving a 100% RPS. HECO drew upon this work to develop the PSIP update, which it submitted to the
Hawai‘i Public Utilities Commission in December 2016.
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