Useful Energy Demand

This guide explains how the LEAP software calculates and displays useful energy demand, distinguishing it from final energy demand based on device efficiency and losses.

• Useful energy demand is defined as the portion of final energy demand that performs useful work, such as cooking, heating, or cooling, after accounting for losses in final energy consuming devices. While typically smaller than final energy demand, it can be larger for devices with efficiencies exceeding 100%, such as heat pumps and refrigerators, because they utilize both electricity and ambient energy.
• By default, the software only calculates useful energy demand for branches where a useful energy analysis is being conducted to minimize data requirements. Users can enable calculations for all demand branches via the 'Settings: Scope' screen by selecting 'Calculate Useful Energy for All Demands', which then introduces an 'Energy Efficiency' variable for all demand technologies.

APA

Stockholm Environment Institute (n.d.). Useful Energy Demand. https://leap.sei.org/Help24/Results_Categories/Useful_Energy_Demand.htm

Chicago

Stockholm Environment Institute. Useful Energy Demand. n.d. https://leap.sei.org/Help24/Results_Categories/Useful_Energy_Demand.htm.

Wikipedia

{{cite report |author=Stockholm Environment Institute |title=Useful Energy Demand |url=https://leap.sei.org/Help24/Results_Categories/Useful_Energy_Demand.htm |access-date=17 August 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{stockholmenvironmentinstitutenduseful, author = {{Stockholm Environment Institute}}, title = {{Useful Energy Demand}}, institution = {Stockholm Environment Institute}, url = {https://leap.sei.org/Help24/Results_Categories/Useful_Energy_Demand.htm}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }