Boulder Park Generating Station
Spokane Valley, WA · SPOKANE COUNTY · NAICS 221112
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, Boulder Park Generating Station ranks #5,534 of 8,713 U.S. reporting facilities by latest reported CO₂e and #69 of 116 facilities in WA.
- National rank #5,534 of 8,713 GHGRP facilities
- #69 of 116 in WA
- #1,233 of 1,732 in Power Plants
- 1.5% of AVISTA parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +34.9% since 2018
Boulder Park Generating Station vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
31,456 5534th of 8713 higher than 3,179 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 1.5% of AVISTA reported parent CO₂e (31K MT of 2.1M MT ; #3 of 5 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #1,233 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 31K 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%
- 31K MT
- CH₄
- 0%
- 15 MT
- N₂O
- 0.1%
- 18 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 31,456 |
| 2022 | 39,549 |
| 2021 | 34,396 |
| 2020 | 23,578 |
| 2019 | 32,387 |
| 2018 | 23,325 |
Facility insight: Boulder Park Generating Station
Boulder Park Generating Station (EPA GHGRP Facility ID 1010860) reported 31K metric tons of CO2-equivalent in 2023, operating in Spokane Valley, WA within SPOKANE COUNTY. Among GHGRP reporters it ranks #5,534 of 8,713 nationally by latest CO₂e and #69 of 116 in WA. The site is classified under Power Plants with NAICS code 221112.
From 2018 to 2023, reported CO₂e rose 34.9% (peak 40K MT). This facility has filed every year from 2018 to 2023, a complete 6-year record.
Peak year was 2022 at 40K MT CO2e; latest 2023 sits 20.5% below that peak (31K MT). The largest year-to-year move was 2020→2021 (+45.9%, 11K MT).
Frequently Asked Questions
Where does Boulder Park Generating Station rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Boulder Park Generating Station ranks #5,534 of 8,713 reporting facilities by latest reported CO₂e, and #69 of 116 facilities in WA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Boulder Park Generating Station? ▼
Boulder Park Generating Station's 31K MT CO₂e is higher than 3,179 of the 8,713 GHGRP facilities with reported emissions (36%), an exact count from the full corpus, not an estimate.
How much CO2 does Boulder Park Generating Station emit? ▼
Boulder Park Generating Station reported 31K MT CO2e in 2023.
What share of AVISTA does Boulder Park Generating Station represent? ▼
Boulder Park Generating Station accounts for 1.5% of AVISTA's reported GHGRP CO₂e (31K MT of 2.1M MT), ranking #3 of 5 facilities under that parent.
What is Boulder Park Generating Station's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Boulder Park Generating Station, 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 Boulder Park Generating Station rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Boulder Park Generating Station ranks #1,233 of 1,732 by latest reported CO₂e.
Is Boulder Park Generating Station reducing emissions? ▼
Over 6 reporting years (2018–2023), Boulder Park Generating Station's emissions have increased by 34.9%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for Boulder Park Generating Station, both outside WA so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside WA (31K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside WA.