Learn the Issues
-
Voluntary Supply Benefits
The Local Government Solar Project Portal's Solar Project Development Pathway and Resources page details the major steps along the project development pathway and each step includes resources and tools to assist you with that step.
-
Double Counting
Double counting occurs when two different parties claim the same environmental benefits from the same generated green power. The page illustrates how two parties counting, claiming or selling the same MWh only results in half the environmental benefit.
-
Market Drivers Interactions
This page describes the impact each generation source contribute to the market. We highlight the importance on voluntary action as a significant change agent in the market.
-
Power Market Structure
This view of US grid regions based on areas where ISO/RTO operators are present and what ISO/RTOs roles are in the market and how that differs from areas not covered by grid operators.
-
Energy Market Drivers
This page describes how different sources of generation contribute to transforming the voluntary green power market. It describes how voluntary and non-voluntary sources of generation create market change.
-
Credible Claims
This page provides resources to in making credible environmental claims and substantiate them through REC ownership and retirement.
-
Frequently Asked Questions
EPA receives questions on all aspects of the green power market. EPA will continue to build out this repository of commonly asked questions and responses to those inquires.
-
Resources
Summary of resources found on this web site
-
Evaluation
This page provides resources to help understand the proposal evaluation process.
-
Making a Difference
This page highlights how voluntary consumers should think of their use of green power if they want to have an environmental impact. This page highlights choosing the right resource, incremental use, project and generation vintage, and best practices.
-
Dispersion Modeling Applications
Provides access to modeling applications involving dispersion models, including model comparisons and source culpability studies.
-
Welcome and Introduction to Heat Islands
This page includes presentation and transcript PDFs from EPA's June 26, 2014 webcast, "Keeping Your Cool: How Communities Across the Country are Reducing the Heat Island Effect."
-
Webinar - Introducing the Energy Savings and Impacts Scenario Tool
Recording and slides related to the December 2021 webinar introducing EPA's Energy Savings and Impacts Scenario Tool (ESIST).
-
Monitoring by Control Technique - Wet Scrubber For Particulate Matter
Stationary source emissions monitoring is required to demonstrate that a source is meeting the requirements in Federal or state rules. This page is about Wet Scrubber For Particulate Matter controls used to reduce pollutant emissions.
-
EPA Helps Botanic Garden Blossom
One of the keys to the continued transformation of abandoned mine lands into a world-class botanic garden near Pittsburgh is an innovative rainwater system financed by EPA’s Clean Water State Revolving Fund.
-
Indoor Air Quality Tools for Schools Action Kit
The IAQ Tools for Schools Action Kit provides schools with information on how to carry out a practical plan to improve indoor air problems at little- or no-cost using straightforward activities and in-house staff.
-
Extended Battery Producer Responsibility Framework – Collection Models and Transportation Considerations
Webpage hosting information about the Extended Battery Producer Responsibility Framework Kickoff: Reviewing Guiding Principles and Elements meeting held on April 7 and slides used during the meeting.
-
Clean Boating Act Listening Session Transcripts
Transcript of listening sessions to provide background information about the CBA and to explain approach for developing the management practice.
-
WIFIA Program Overview Webinar
Webinar provides overview of the WIFIA program.
-
2011v6.3, Technical Support Document (TSD) Update for 2023
The 2011v6.3 emissions modeling platform is based on the 2011NEIv2 and was used for the final 2015 ozone NAAQS and the proposed Update to the Cross-State Air Pollution Rule.