Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DOMINION ENERGY SOUTH CAROLINA - COLUMBIA ENERGY CENTER
100 CALPINE WAY, GASTON, SC, 29053
Parent company: DOMINION ENERGY INC
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Ammonia | Total (lbs) | ||||
| 2024 | 54,545 | 54,545 | ||||
| 2023 | 41,678 | 41,678 | ||||
| 2022 | 46,334 | 46,334 | ||||
| 2021 | 45,163 | 45,163 | ||||
| 2020 | 47,092 | 47,092 | ||||
| 2019 | 55,471 | 55,471 | ||||
| 2018 | 38,837 | 38,837 | ||||
| 2017 | 31,664 | 31,664 | ||||
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.