Item 005 - Austin Energy Green Building Program Overview — original pdf
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Austin Energy Green Building Program Overview Heidi Kasper Energy Efficiency Services Director, Green Building EVET 9/11/2024 © 2023 Austin Energy History and Mission Austin Energy Green Building developed the first rating system in the U.S. for evaluating the sustainability of buildings, creating a model for many other cities as well as the U.S. Green Building Council’s LEED certification system. Since 1991, Austin Energy Green Building has provided: • Ratings and programs • Education and outreach • Advocacy and planning Mission To cultivate innovation in building and transportation for the enrichment of the community’s environmental, economic and human well-being 2 Environmental and Community Impact Ratings AEGB provides design tools and rates the sustainability of new and remodeled Single Family, Multifamily and Commercial buildings. Education and Outreach AEGB creates education opportunities for the public and professionals plus celebrates rated projects through marketing and events. Policies and Codes AEGB uses program results to inform development of City of Austin codes, advance energy code and amend City development agreements. 3 Rating Goals and Measures Conservation Energy | Water | Materials Resource Generation Plan • • Water Forward Zero Waste Plan • Climate Equity Plan • Quality of Life Environment | Transportation | Education | Equity • • • • • Promote healthier indoor & outdoor environments Promote transportation options that work for everyone Increase human health & well-being Improve construction worker health and safety Provide buildings that work for everyone 4 Rating Structure The number of sustainability measures a project incorporates determines its star rating. Basic Requirements 30 – 54 pts 55 – 79 pts 80 – 104 pts 105 pts or more 1-Star 2-Star 3-Star 4-Star 5-Star 5 Austin Energy Green Building Ratings AEGB rates new construction and major renovation projects for three markets. Theresa Passive House Travis Flats Elizabeth Branch Park Pavilion Single Family Production and Custom Homes Multifamily Residential < 8 Stories Commercial and Residential > 7 Stories 20,066 16.8 K Austin | 3.3 K Extended Area 226 44 M sq. ft. | 38.4 K dwelling units 359 51.3 M sq. ft. | 14.6 K dwelling units 20,651 rated projects total reported from FY 1991 - 2023 6 Ratings and Energy Code Impact FY2007 – FY2023 By the Numbers Equivalent Impacts Demand savings – 410 MW Electricity savings – 896,449 MWh Natural Gas savings – 2,571,987 ccf Solar PV generation – 5,996 MWh CO2e savings – 146,041 metric tons Water savings – 1,119,903,000 gallons Construction Waste diversion – 1,945,768 tons Electricity use of 86,917 avg homes Water use of 15,222 avg homes Trash collection of 2,940,335 avg homes CO2e reduced by 178,099 acres of U.S. forests in one year 7 Waste Management Impact AEGB helped create a market for construction waste diversion services. • Early 2000’s, there were few landfill alternatives other than construction waste used onsite as mulch or fill. • AEGB drove demand for services by requiring diversion of construction waste as a basic requirement for the commercial building rating. • AEGB helped contractors secure a City-owned site where construction waste could be sorted. • Construction waste diversion became widespread. In November 2015, the Austin City Council approved the Construction and Demolition Recycling Ordinance. FY2007 – FY2023 Construction Waste Diverted from Landfill 1.95 M tons 8