Learn the Issues
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Environmental Impact Statement Filing Guidance
Describes how to submit an environmental impact statement through the e-NEPA electronic submission system. Describes how EPA submits a notice of availability in to the Federal Register and how the comment time period if set forth.
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Clean Air Act Requirements and History
In 1970 congress designed the Clean Air Act to combat a variety of air pollution problems, and to tackle emerging pollution threats such as public health, national welfare, toxic air pollutants, acid rain, protection of the ozone layer, and regional haze.
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Cross-State Air Pollution
The Cross-State Air Pollution Rule (CSAPR), requires states to significantly improve air quality by reducing power plant emissions that contribute to ozone and/or fine particle pollution in other states.
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Analysis of the Final MATS Risk and Technology Review (RTR)
IPM analyses of the Proposed MATS Risk and Technology Review (RTR)
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Results using Pre-IRA 2022 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
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Supporting Documentation of the 2015 Ozone NAAQS Actions
IPM analyses of the Good Neighbor Plan.
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Results using 2023 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
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Green Power Partnership Data
EPA's Green Power Partnership is a voluntary program designed to reduce the environmental impact of electricity generation by promoting renewable energy. Partners support the development of new renewable generation capacity nationwide.
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Project Map Reference Documentation
The U.S. EPA's Green Power Partnership is a voluntary partnership program designed to reduce the environmental impact of electricity generation by promoting renewable energy.
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Partner Profile Viewer
The U.S. EPA's Green Power Partnership is a voluntary program designed to reduce the environmental impact of electricity generation by promoting renewable energy. There are thousands of Green Power Partners, all listed on this page.
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GPP Webinar: Solar Power Purchase Agreements
The Green Power Partnership hosts webinars on a regular basis that explore a variety of topics. This webinar discussed solar power purchase agreements (SPPA).
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Meet Our Partners Reference Documentation
The U.S. EPA's Green Power Partnership is a voluntary program designed to reduce the environmental impact of electricity generation by promoting renewable energy. There are thousands of Green Power Partners, all listed on this page.
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Solar Power Use Claims Guidance
The Toolbox for Renewable Energy Project Development's Solar Power Use Claims Guidance page helps electricity consumers understand the legal right that RECs offer their owners when making solar power use claims and provides resources for making claims.
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Program Data Viewer Reference Documentation
The U.S. EPA's Green Power Partnership is a voluntary program designed to reduce the environmental impact of electricity generation by promoting renewable energy. There are thousands of Green Power Partners, all listed on this page.
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Understanding Electricity Market Frameworks & Policies
The Toolbox for Renewable Energy Project Development's Understanding Electricity Market Frameworks and Policies page provides an overview of regulated and deregulated electric utility market structures and how they impact project development.
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Green Power Partnership Documents
The Green Power Partnership develops trainings on a regular basis that explore a variety of green power purchasing and generation topics.
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Apply to Green Power Community
GPP supplies GPCs will tools to promote their status. GPCs are a subset of the Green Power Partnership; municipalities or tribal governments where government, businesses, and residents collectively use enough green power to meet GPP requirements.
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Steps to Become a Green Power Community
Green Power Communities are a subset of the Green Power Partnership; municipalities or tribal governments where the local government, businesses, and residents collectively use enough green power to meet GPP requirements. Learn the steps to become a GPC.
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Guide to Purchasing Green Power
The Guide for Purchasing Green Power is a comprehensive guide for current and potential buyers of green power with information about green power purchasing. The Guide is created cooperatively between the EPA, the U.S. Department of Energy, the World Resou
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State Solar Renewable Energy Certificate Markets
The Toolbox for Renewable Energy Project Development's State Solar Renewable Energy Certificate (SREC) Markets page provides an overview of SRECS and state markets as well as resources to help you understand how SRECs impact project development.