What changed?
EPA credits pollution controls and lower-emitting fuels. Coal-fired generation in this comparison fell 63%; gas supplied much more of the output.
EPA emissions and generationEPA credits pollution controls and lower-emitting fuels. Coal-fired generation in this comparison fell 63%; gas supplied much more of the output.
EPA emissions and generationEach series starts at 100 in 2000. The lines compare percentage changes on one scale. The readout shows the actual tons and TWh for the year selected.
All 24 annual totals and indicesAnnual sums of EPA's coal, gas, oil and other fuel series for covered plants. CSAPR-only SO₂ units enter in 2015. This is a historical comparison, not all U.S. power plants or conditions in 2026.
Exact source series and coverage noteWet sulfate deposition fell 73% in the eastern U.S., comparing 2000 to 2002 and 2020 to 2022 averages. This separate measure is not rainfall pH. Ecosystem recovery remains uneven.
Deposition data · Ecosystem recovery