Calpine Gilroy Cogen, LP
GILROY, CA · Santa Clara · NAICS 221112
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, Calpine Gilroy Cogen, LP ranks #5,760 of 8,713 U.S. reporting facilities by latest reported CO₂e and #295 of 549 facilities in CA.
- National rank #5,760 of 8,713 GHGRP facilities
- #295 of 549 in CA
- #1,254 of 1,732 in Power Plants
- 0.1% of CPN MANAGEMENT parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -36.1% since 2011
Calpine Gilroy Cogen, LP vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
29,374 5760th of 8713 higher than 2,953 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2023
Facility footprint context
This site accounts for 0.1% of CPN MANAGEMENT reported parent CO₂e (29K MT of 47.6M MT ; #37 of 43 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #1,254 of 1,732 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 29K MT CO₂e reported for 2023, non-CO₂ gases are 0.1% , led by N₂O at 0.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.9%
- 29K MT
- CH₄
- 0%
- 14 MT
- N₂O
- 0.1%
- 16 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 29,374 |
| 2022 | 39,171 |
| 2021 | 50,211 |
| 2020 | 52,488 |
| 2019 | 45,373 |
| 2018 | 71,652 |
| 2017 | 83,196 |
| 2016 | 87,791 |
| 2015 | 91,108 |
| 2014 | 59,001 |
| 2013 | 81,586 |
| 2012 | 130,506 |
| 2011 | 45,967 |
Facility insight: Calpine Gilroy Cogen, LP
Calpine Gilroy Cogen, LP (EPA GHGRP Facility ID 1000453) reported 29K metric tons of CO2-equivalent in 2023, operating in GILROY, CA within Santa Clara. Among GHGRP reporters it ranks #5,760 of 8,713 nationally by latest CO₂e and #295 of 549 in CA. The site is classified under Power Plants with NAICS code 221112.
Across 2011–2023, annual CO₂e fell 36.1%; peak load was 131K MT in 2012. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2012 at 131K MT CO2e; latest 2023 sits 77.5% below that peak (29K MT). The largest year-to-year move was 2011→2012 (+183.9%, 85K MT).
Frequently Asked Questions
Where does Calpine Gilroy Cogen, LP rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Calpine Gilroy Cogen, LP ranks #5,760 of 8,713 reporting facilities by latest reported CO₂e, and #295 of 549 facilities in CA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Calpine Gilroy Cogen, LP? ▼
Calpine Gilroy Cogen, LP's 29K MT CO₂e is higher than 2,953 of the 8,713 GHGRP facilities with reported emissions (34%), an exact count from the full corpus, not an estimate.
How much CO2 does Calpine Gilroy Cogen, LP emit? ▼
Calpine Gilroy Cogen, LP reported 29K MT CO2e in 2023.
What share of CPN MANAGEMENT does Calpine Gilroy Cogen, LP represent? ▼
Calpine Gilroy Cogen, LP accounts for 0.1% of CPN MANAGEMENT's reported GHGRP CO₂e (29K MT of 47.6M MT), ranking #37 of 43 facilities under that parent.
What is Calpine Gilroy Cogen, LP's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Calpine Gilroy Cogen, LP, with N₂O the larger non-CO₂ share at 0.1% (CO₂ 99.9%). Shares use the facility's GHGRP gas components for that year.
Where does Calpine Gilroy Cogen, LP rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Calpine Gilroy Cogen, LP ranks #1,254 of 1,732 by latest reported CO₂e.
Is Calpine Gilroy Cogen, LP reducing emissions? ▼
Over 13 reporting years (2011–2023), Calpine Gilroy Cogen, LP's emissions have decreased by 36.1%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for Calpine Gilroy Cogen, LP, both outside CA so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside CA (29K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside CA.