Energy Benchmarking

Benchmarking data for the 2021 calendar year is due by July 1st, 2022.

Seattle's Energy Benchmarking Law (Seattle Municipal Code 22.920) requires owners of non-residential and multifamily buildings (20,000 square feet or larger) to track energy performance and annually report to the City of Seattle. 

The City of Seattle annually publishes building energy performance data from more than 3500 of Seattle's largest commercial and residential buildings representing 375 million square feet at data.seattle.gov and through a data visualization site to facilitate transparency in the market and spur demand for energy efficiency.

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Recent Benchmarking News

Exploring Building Performance Standards: A New Policy to Reduce Building Sector Emissions
In Seattle, buildings are one of the largest and fastest growing sources of climate pollution, responsible for more than a third of our City’s greenhouse gas emissions. These emissions pollute our air, accelerate climate change, and harm [...]
Posted Mar. 10
2021 Energy Benchmark Reports Due July 1
Energy performance (benchmarks) for the 2021 calendar year must be updated in Portfolio Manager by July 1, 2022 for all multifamily and non-residential buildings 20,000 SF or larger. To be in compliance, your building’s Portfolio Manager account must [...]
Posted Feb. 19
White House Council on Environmental Quality Chair Brenda Mallory Visits Seattle to Talk Buildings and Climate
The buildings we live and work in are responsible for more than 1/3rd of Seattle’s climate pollution, primarily due to the on-site burning of fossil fuels such as fracked gas and oil for heating, hot water and appliances. OSE’s Buildings & [...]
Posted Oct. 08
Seattle’s Building Emissions are Rising – Here’s What the Data Tells Us
Seattle’s buildings are responsible for more than one-third of the city’s core greenhouse gas emissions – and rising. According to the most recent greenhouse gas inventory, climate-polluting emissions in buildings increased 8% between 2016 and [...]
Posted May. 12
2019 Building Performance Data Published
The City of Seattle recently published 2019 building energy performance data for Seattle’s largest commercial and multifamily properties. The data is available to view in Seattle’s Open Data Portal along with 2015 – 2018 building performance [...]
Posted Dec. 01
Benchmarking Enforcement Action Delayed for Non-Compliant Buildings
In response to the ongoing pandemic, owners will have until 1/1/2021 before enforcement action is pursued. At that time, owners that remain non-compliant with SMC 22.920 will be subject to 2nd quarter fines based on building size. See the Energy [...]
Posted Sep. 20