UHERO

Sherilyn Hayashida

Electric Vehicle Lifecycle Cost Assessment for Hawaii

September 8, 2015

This study develops a model to estimate the total cost of ownership of electric vehicles (EVs) in comparison to similar internal combustion engine (ICEVs) and…

Factors Affecting EV Adoption: A Literature Review and EV Forecast for Hawaii

June 3, 2015

Electric Vehicles (EVs) reduce or negate gasoline or diesel use in vehicles through integration with the electric grid. Both plug-in hybrid electric vehicles (PHEVs)—which can…

Brief: An Economic and GHG Analysis of LNG in Hawaii

November 12, 2014

Hawaii currently meets the majority of its electricity needs through oil-fired generation – causing rates to be nearly four times the national average. In response…

An Economic and GHG Analysis of LNG in Hawaii

October 29, 2014

Hawaii currently meets the majority of its electricity needs through costly oil-fired generation causing rates to be nearly four times the national average (EIA, 2013a).…

PV Growth in Hawai’i?

October 13, 2014

By Sherilyn Wee and Makena Coffman Public comments regarding Hawaiian Electric’s PSIP and DGIP were due last week. Here’s a recap of what Hawaiian Electric…

Liquefied Natural Gas: A cleaner fossil fuel that’s cheaper than oil and pairs well with renewable energy

Liquefied Natural Gas: A cleaner fossil fuel that’s cheaper than oil and pairs well with renewable energy

May 21, 2014

By Sherilyn Wee and Michael Roberts Spurred by low natural gas prices and a maturing market for liquefied natural gas (LNG), Hawai‘i Gas received their…

Cost Implications of GHG Regulation in Hawai‘i

April 16, 2014

The State of Hawai‘i and the U.S. are developing greenhouse gas (GHG) emissions reduction regulations in parallel. The State requires that economy-wide GHG emissions be…

PURPA and the Impact of Existing Avoided Cost Contracts on Hawai’i’s Electricity Sector

March 13, 2014

The United States has been trying to reduce its dependence on imported fossil fuel since the 1970s. Domestic fossil fuel supply initially peaked in 1970,…

Hawai‘i’s Environmental Response, Energy, and Food Security Tax (aka Barrel Tax)

Hawai‘i’s Environmental Response, Energy, and Food Security Tax (aka Barrel Tax)

February 12, 2014

By Sherilyn Wee and Makena Coffman The one-dollar increase in Hawai‘i’s environmental tax from five-cents since its inception in 1993 to $1.05 effective July 1,…