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State of Maine Adopts RESNET Home Energy Rating Standard for Labeling of Residential Buildings
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The Maine State Legislature adopted Resolve, Regarding Building Energy Efficiency and Carbon Performance Ratings. The legislation directed the Maine Public Utilities Commission to undertake the following measures regarding building energy efficiency rating systems:
- Develop or select a standardized rating system and reporting form for building energy efficiency and carbon performance
- Include the standardized rating system and reporting form in professional education and training programs sponsored by the Public Utilities Commission
- Encourage real estate and professionals and other stakeholders to promote voluntary use of the standardized rating system and reporting form by residential and commercial property owners, including, but not limited to, voluntary disclosure of building ratings in the context of real estate transactions
- Encourage voluntary use of the standardized rating system and reporting form by large scale property owners and managers, including the state, municipalities and other public and private entities
- Develop a voluntary library or repository of ratings based on the standardized ratings system and reporting form.
The legislation also required the Public Utilities Commission to convene a stakeholder group to assist with directive and report to the Joint Standing Committee on Utilities and Energy by February 1, 2010.
The stakeholder group met twice and included representatives of seventeen organizations. Through consensus for new and existing residential buildings, the stakeholder group identified RESNET’s HERS rating system as the only national-scale platform available today. While the technical aspects of the rating system are sound, the rating group did raise several practical considerations such as the
expense of HERS ratings and a lack of certified auditors in Maine. Efficiency Maine is considering whether there are ways to incorporate this rating system into its current Maine Home Performance Program and the Maine State Housing Weatherization Assistance Program.
The report recommends that ENERGY STAR’s Portfolio Manager as the best
available option for providing an energy rating for existing commercial buildings. Since Portfolio Manager does not apply to new construction, the stakeholder group identified, Efficiency Maine’s Advanced Building Program to be used in the design phases of construction.
The report of the Maine Public Utilities Commission is posted on RESNET’s web site at http://www.resnet.us/hotnews/Building_Energy_Ratings.pdf
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