Building Energy Performance Standard

What is the Building Energy Performance Standard?
The St. Louis Board of Aldermen unanimously passed and Mayor Krewson signed into law, St. Louis’s Building Energy Performance Standard in May of 2020, making St. Louis the 4th jurisdiction in the country and the 1st in the Midwest to adopt this ambitious law to mandate significant reductions in building energy use.
The ordinance covers municipal, commercial, institutional and residential properties 50,000 square feet and larger. By May 2021, the City will set an energy performance standard for each property type based on local benchmarking data. The standards will be set to impact the highest energy users in each property type. Property owners will have the flexibility to decide what combination of physical or operational improvements can best achieve the standard and will have until May 2025 to reduce their energy use to comply. To ensure that building energy use continues to improve over time, the City will update the standards and increase energy performance requirements within a year of the conclusion of each four-year compliance cycle.
How will properties comply?
Properties will comply by meeting the standard set for their property type as measured in site energy use intensity (EUI) normalized for weather-and operating characteristics. Depending on each property’s baseline EUI, a range of steps may need to be taken from simply reporting performance data that shows the building is already in compliance, to investing in energy conservation measures to improve performance or systems changes. The law mandates certain levels of performance, based on property type, but not the means to get there. There are no specific improvements required, which gives property owners and managers the flexibility to make smart investments based on their unique knowledge of property operations, planned expenditures, and financing cycles. It also sets the necessary boundaries for ensuring property owners help St. Louis meets its climate goals

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