Double ratio estimation is sometimes used as a method to lower impact evaluation costs by conducting inexpensive desk reviews on a larger sample and expensive on site measurements on a smaller sample. However, West Hill Energy demonstrated that this application of the double ratio approach may introduce bias and result in a loss of precision. See Kathryn’s paper, “Double Ratio Estimation: Friend or Foe” at the International Energy Program Evaluation Conference. Check out our presentation from August 9, 2017.
June 21st, 2017- West Hill Energy was awarded the contract by the Vermont Department of Public Service to conduct the process and impact evaluation of Efficiency Vermont’s Home Performance with Energy Star and Vermont Gas’s Residential High Use programs. West Hill Energy conducted the previous impact evaluations of these programs and is excited to be selected for the next round.
West Hill Energy was awarded the contract by the Vermont Department of Public Service to conduct the impact evaluation of Efficiency Vermont’s and Burlington Electric’s portfolios for the ISO-NE Forward Capacity Market. West Hill Energy has been providing these services to the VDPS since the inception of the Forward Capacity Market in 2009.