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Austin green‑building program staff says ratings covered 20,000 single‑family homes since 1991; program updates aligned with energy codes
Summary
Austin’s Green Building Program staff told the Electricity Utility Commission the program rates new construction and influences codes, reporting participation and annual savings tracking since 2007.
Austin’s Green Building Program staff briefed the Electricity Utility Commission on June 9 about the city’s longstanding voluntary rating system, which dates to 1991 and aims to move building practice toward the city’s conservation and climate goals.
The program, staff said, operates three complementary tracks: rating projects (1–5 stars), public education and outreach, and policy/code work. Staff told the commission that since the program began the city has rated more than 20,000 single‑family homes, roughly 249 multifamily developments and about 400 commercial projects (through the end of the last fiscal year). Ratings are updated roughly every three years to reflect changes in codes and technologies.
Why it matters: staff said the rating program both incentivizes and prepares the market for higher performance by testing approaches in the rating process and feeding lessons into the code development process. Program staff said ratings are used in zoning and housing agreements: planned unit developments and smart housing projects commonly require a minimum star level as part of approvals.
Details reported: the program assigns a set of basic requirements (the “one‑star” threshold) and then a menu of points across categories such as energy, water, indoor air quality and site resilience. Staff said annual energy and CO2 savings have been tracked since 2007; energy savings figures reported to the commission are measured against prior code baselines and use Austin Energy’s generation mix to compute CO2 impacts.
Commission questions and follow up: commissioners asked about how often the ratings are revised (roughly every three years) and whether city capital projects follow the rating system. Staff said many city projects use LEED or the city rating and that large capital projects (for example, airport expansion and convention center work) are pursuing high sustainability targets. Staff said draft updates are posted for stakeholder review, and the multifamily rating is in a draft stage.
Ending: commissioners thanked staff and asked staff to circulate draft updates when they are posted for public comment; staff said it will publish drafts on the SpeakUp Austin platform and notify stakeholders.
