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NiSource: Greenhouse-gas emissions records
Greenhouse-gas emissions: 9 records from the U.S. Environmental Protection Agency, all dated Dec 31, 2023.
Newest first. Each links to the agency's own record. Back to the report card.
| Date | Agency | What the agency recorded | Amount or outcome | Record | Retrieved | Matched | Report |
|---|---|---|---|---|---|---|---|
| Dec 31, 2023 | U.S. Environmental Protection Agency | GHGRP 2023: NIPSCO Electric Transmission, Merrillville, IN reported 41,241 tonnes CO2e of direct emissions; reported parent NISOURCE INC (100% owned) | 41,241 tonnes CO2e (direct, the parent's share) | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2023 | U.S. Environmental Protection Agency | GHGRP 2023: Columbia Gas of Kentucky, Merrillville, IN reported 29,343 tonnes CO2e of direct emissions; reported parent NISOURCE INC (100% owned); reports as a fuel supplier (subpart NN) | 29,343 tonnes CO2e (direct, the parent's share) | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2023 | U.S. Environmental Protection Agency | GHGRP 2023: Columbia Gas of Virginia, Merrillville, IN reported 30,797 tonnes CO2e of direct emissions; reported parent NISOURCE INC (100% owned); reports as a fuel supplier (subpart NN) | 30,797 tonnes CO2e (direct, the parent's share) | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2023 | U.S. Environmental Protection Agency | GHGRP 2023: NIPSCO GAS, Merrillville, IN reported 151,349 tonnes CO2e of direct emissions; reported parent NISOURCE INC (100% owned); reports as a fuel supplier (subpart NN) | 151,349 tonnes CO2e (direct, the parent's share) | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2023 | U.S. Environmental Protection Agency | GHGRP 2023: Columbia Gas of Ohio, Merrillville, IN reported 210,537 tonnes CO2e of direct emissions; reported parent NISOURCE INC (100% owned); reports as a fuel supplier (subpart NN) | 210,537 tonnes CO2e (direct, the parent's share) | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2023 | U.S. Environmental Protection Agency | GHGRP 2023: Columbia Gas of Pennsylvania, Merrillville, IN reported 107,570 tonnes CO2e of direct emissions; reported parent NISOURCE INC (100% owned); reports as a fuel supplier (subpart NN) | 107,570 tonnes CO2e (direct, the parent's share) | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2023 | U.S. Environmental Protection Agency | GHGRP 2023: Michigan City Generating Station, MICHIGAN CITY, IN reported 1,477,536 tonnes CO2e of direct emissions; reported parent NISOURCE INC (100% owned) | 1,477,536 tonnes CO2e (direct, the parent's share) | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2023 | U.S. Environmental Protection Agency | GHGRP 2023: R M Schahfer Generating Station, WHEATFIELD, IN reported 1,800,166 tonnes CO2e of direct emissions; reported parent NISOURCE INC (100% owned) | 1,800,166 tonnes CO2e (direct, the parent's share) | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2023 | U.S. Environmental Protection Agency | GHGRP 2023: Sugar Creek Generating Station, WEST TERRE HAUTE, IN reported 1,179,052 tonnes CO2e of direct emissions; reported parent NISOURCE INC (100% owned) | 1,179,052 tonnes CO2e (direct, the parent's share) | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
CSWH is not affiliated with these agencies.