Mystic (CONSTELLATION ENERGY CORP): 528,357 tCO2e in 2023
Mystic (Charlestown, Massachusetts): 528,357 tCO2e in 2023. Its tonnes CO2e of 528,357 is above the median of 66,124 (84th percentile). Dated 1040 days ago, it serves as a historical benchmark. Score 55/100. As of 2026-11-03, from U.S. EPA Greenhouse Gas Reporting Program (GHGRP) via Envirofacts.
Data as of · Compiled by Zalwin from U.S. EPA Greenhouse Gas Reporting Program (GHGRP) via Envirofacts
tonnes CO2e: 528,357 · 84th percentile of 4,621 GhgEmitterPulse records · 8.0x the median
Free preview: all 9 published fields of this record are shown below. Locked: 43 related MA GhgEmitterPulse records and the 7-column CSV export.
| Field | Value |
|---|---|
| Facility | Mystic |
| Parent company | CONSTELLATION ENERGY CORP |
| Sector | Power plants |
| Address | 173 ALFORD ST, Charlestown, MA, 02129 |
| NAICS | 221112 |
| Reporting year | 2023 |
| Total tCO2e | 528,357 |
| Prior-year tCO2e | 648,963 |
| Change | -18.6% |
| tonnes CO2e percentile | 84th of 4,621 (median 66,124, 8.0x median) |
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CSV columns: Facility · Parent company · Sector · City · State · tCO2e · vs prior year · official source URL
- Source agency: U.S. EPA Greenhouse Gas Reporting Program (GHGRP) via Envirofacts
- Record date: 2023-12-31
- Data refreshed: 2026-11-03
- Refunds on request within 14 days
Top GhgEmitterPulse records (MA first): Bellingham Power Generation LLC (Vistra Corp) · Blackstone Power Generation LLC (Vistra Corp) · SEMASS PARTNERSHIP RESOURCE RECOVERY FACILITY (COVANTA HOLDI · Fore River Energy Center (CPN MANAGEMENT LP) · Kendall Green Energy (VICINITY ENERGY INC) · Browse all by state and category →
LIVE PUBLIC DATA Source: U.S. EPA Greenhouse Gas Reporting Program (GHGRP) via Envirofacts · Last refreshed: Tue, 03 Nov 2026 01:39:43 GMT
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Peer benchmark and outreach value: Mystic and 44 Massachusetts peers
- Massachusetts GhgEmitterPulse records like this one: 44
- Mystic's tonnes CO2e: 84th percentile of 4,621 records
- Timing: Low: older than 30 days
- Estimated pipeline if you contact every Massachusetts peer: $8,800 (peers × rate × deal size; an estimate from your assumptions, not a forecast)
55 / 100 Score
- Over 100,000 tCO2e a year.
- Parent company on record.
What is the GhgEmitterPulse record for Mystic in Charlestown, Massachusetts?
Mystic (CONSTELLATION ENERGY CORP) reported 528,357 tCO2e in 2023, -18.6% vs the prior year.
How does Mystic compare to other Massachusetts GhgEmitterPulse records?
Its tonnes CO2e of 528,357 sits in the upper half (84th percentile) of 4,621 records; the median is 66,124. It is 1040 days old; check the official source for later updates before acting.
Mystic vs. top 3 peers
| Organization | Location | Amount | Percentile | Record date |
|---|---|---|---|---|
| Mystic | Charlestown, MA | 528,357 | 84th | 2023-12-31 |
| Harrison County Power Project | Marshall, TX | 1,259,195 | 92nd | 2023-12-31 |
| Wise County Power Company, LLC | Poolville, TX | 1,279,095 | 92nd | 2023-12-31 |
| Grays Harbor Energy Center | Elma, WA | 1,397,812 | 93rd | 2023-12-31 |
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From EPA's Greenhouse Gas Reporting Program as published in Envirofacts. Facilities self-report; totals cover direct emissions in CO2-equivalent for the latest published reporting year. Reported emissions are not findings of any violation.