Home › Forums › Data Sources › Utility prices and GHG › Default utility prices Tagged: electricity rate, gas rate, price, utility price This topic contains 0 replies, has 1 voice, and was last updated by Ryan Moore 6 months, 2 weeks ago. Author Posts March 7, 2018 at 8:52 am #7557 Ryan MooreKeymaster Default utility prices in OptiMiser residential are from the EIA statewide average price tables. They are updated about once a year. For gas and electric we are currently using the 2016 average. For fuel oil and propane, we are using the average of the weekly prices over the 2016-2017 heating season. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.