IER

Studies & Data

2026 Environmental Quality Index

The 2026 Environmental Quality Index (EQI) highlights the United States as a leading energy producer while maintaining high environmental and human freedom standards. Far from harming the planet, America’s energy...

LEARN MORE

FILTER:

December 2025

Blue States, High Rates

Thomas J. Pyle
December 2024

Policy Brief: When Government Chooses Your Car

Samuel Peterson
August 2023

The Challenges and Costs of Net-Zero and the Future of Energy

December 2019

Hard Facts 2019

Alexander Stevens
June 2019

Existing Generating Resources Are Less Costly Than New Generating Resources

June 2019

The Levelized Cost of Electricity from Existing Generation Resources