Science & Technology
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Documentation for Integrated Planning Model (IPM) Base Case v.4.10
Learn more about EPA Base Case v.4.10 assumptions, updates, changes, and enhancements.
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Documentation for IPM Base Case 2006 (v.3.0)
Learn about the Integrated Planning Model (IPM) Base Case 2006 (v3.0) assumptions, updates, changes, and enhancements, primarily in the form of downloadable data tables and graphics.
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Documentation for Pre-IRA 2022 Reference Case
On this page you will find documentation about EPA’s Platform v6 assumptions, updates, changes, and enhancements, including the full support document as well as additional tables and attachments.
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Best Practices to Reduce SF6 Emissions
This document highlights best practices and cost-effective methods of reducing SF6 emissions that can be implemented by the electric power industry.
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eGRID Technical Guide
This document provides a description of eGRID, including the methodology for developing the Excel spreadsheets for each level of aggregation and the grid gross loss calculation.
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eGRID2018 Technical Support Document
This document provides a description of eGRID, including the methodology for developing the Excel spreadsheets for each level of aggregation and the grid gross loss calculation.
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Power Profiler Methodology
This document provides Power Profiler terms, calculations, methodology, and data sources.
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Other Resources
This page lists eGRID related material and provides links.
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Code Lookup
This will enable users to find out what the codes used in eGRID mean much easier.
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Power Plants and Neighboring Communities Mapping Tool
Describes the layers used in the Power Plants and Environmental Justice map
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Power Sector Labor Analysis Methodology
Find on this page a document on methodology for power sector-specific employment analysis
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Southwest Jefferson County Mining National Priorities List (NPL) Superfund Site, Jefferson County, Missouri – Fact Sheet, June 2023
EPA Proposes Plan to Address Lead from Groundwater in Private, Domestic Drinking Water Wells Across Jefferson County
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CHP Tools
Download the CHP Emissions Calculator, a tool that calculates the difference between the anticipated carbon dioxide, methane, nitrous oxide, sulfur dioxide, and nitrogen oxide emissions from a CHP system to those of a separate heat and power system.
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CHP Resources
Access documents and tools about CHP, CHP project development, CHP policy, and CHP applications.
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CHP's Role Providing Reliability and Resiliency
Learn about CHP benefits, including increased efficiency, reduced emissions of greenhouse gases and other air pollutants, energy cost savings, and enhanced energy reliability.
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CHP's Role in a Decarbonizing Energy Grid
Learn about CHP benefits, including increased efficiency, reduced emissions of greenhouse gases and other air pollutants, energy cost savings, and enhanced energy reliability.
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Download the CHP Screening Tool
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Is My Facility a Good Candidate for CHP?
Learn if a facility is a good candidate for CHP by answering a list of questions, and access the CHP Spark Spread Estimator, a tool that helps evaluate a prospective CHP system for its potential economic feasibility.
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Stakeholder Webinar (Nov. 2024): Natural Gas & Petroleum Systems in the GHG Inventory
GHGI October 2023 Webinar Supporting Materials