Model Comparisons for Potential Impacts of the IRA on the U.S. Power Sector

by ridgelinecenter | Aug 3, 2023

This report reviews several early efforts to model the effects of the Inflation Reduction Act of 2022 (IRA) on key power sector metrics, including capacity and generation mix and CO2 emissions. It examines the impacts of IRA both within individual models (as compared...

Assessment of Potential Revisions to the Mercury and Air Toxics Standards

by ridgelinecenter | Jun 15, 2023

In May of 2023, the U.S. Environmental Protection Agency proposed to strengthen limits on emissions of hazardous air pollutants from coal-fired power plants. Since EPA finalized the original limits in 2011, there have been developments in air pollution control...

A Review of Coal-Fired Electricity Generation in the U.S.

by ridgelinecenter | Apr 27, 2023

This review traces trends in coal-fired electric generating capacity and operations over the past 15 years, documenting significant declines in both, and projecting continued falloff in this type of resource as the power sector transitions to cleaner sources of...

Analysis of PM and Hg Emissions and Controls from Coal-Fired Power Plants – Addendum, Analysis of the Cost of Complying with Lower Hg Emissions Levels

by ridgelinecenter | Jan 5, 2023

As a follow-on effort to Andover Technology Partners’ “Analysis of PM and Hg Emissions and Controls from Coal-Fired Power Plants,” this analysis examines the cost of complying with substantially lower mercury emissions limits at coal-fired power...

Measuring the Benefits of Power Plant Effluent Regulation

by ridgelinecenter | Jun 1, 2022

This report identifies categories of public health, environmental, and other economic benefits that the U.S. Environmental Protection Agency has historically not quantified or fully acknowledged in developing past rules limiting toxic contaminants in waste streams...