Washington County, Arkansas — Interconnection Projects
The interXdata warehouse tracks 22 interconnection projects in Washington, Arkansas, representing 489 MW of requested capacity.
22Total projects
0Active
21Operational
1Withdrawn
489 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Gas | 13 | 425 MW |
| Solar | 7 | 52 MW |
| Battery | 2 | 12 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| Harry D Mattison Gas Plant | 56328_4 | Gas | 88.0 MW | operational | Washington, Arkansas |
| Harry D Mattison Gas Plant | 56328_3 | Gas | 88.0 MW | operational | Washington, Arkansas |
| Harry D Mattison Gas Plant | 56328_1 | Gas | 86.5 MW | operational | Washington, Arkansas |
| Harry D Mattison Gas Plant | 56328_2 | Gas | 86.5 MW | operational | Washington, Arkansas |
| Prairie Grove 69 kV Substation | GEN-2016-166 | Solar | 35.0 MW | withdrawn | Washington, Arkansas |
| Elkins Generating Center | 56489_C | Gas | 22.0 MW | operational | Washington, Arkansas |
| Elkins Generating Center | 56489_B | Gas | 22.0 MW | operational | Washington, Arkansas |
| Elkins Generating Center | 56489_A | Gas | 22.0 MW | operational | Washington, Arkansas |
| Westside Wastewater Treatment Plant Hybr | 62683_FAYWB | Battery | 6.0 MW | operational | Washington, Arkansas |
| Noland Wastewater Treatment Plant Hybrid | 62682_FAYEB | Battery | 6.0 MW | operational | Washington, Arkansas |
| UA Central Utility Plant | 60536_TRBN1 | Gas | 5.6 MW | operational | Washington, Arkansas |
| Noland Wastewater Treatment Plant Hybrid | 62682_FAYE1 | Solar | 5.0 MW | operational | Washington, Arkansas |
| Westside Wastewater Treatment Plant Hybr | 62683_FAYW1 | Solar | 5.0 MW | operational | Washington, Arkansas |
| Springdale School District | 68719_SPRNG | Solar | 2.9 MW | operational | Washington, Arkansas |
| Ozark Solar Park | 68710_OZKSP | Solar | 2.4 MW | operational | Washington, Arkansas |
| Fayetteville Public Schools (Ozarks) | 67518_63583 | Solar | 1.0 MW | operational | Washington, Arkansas |
| Ozarks Natural Energy Community Solar | 60924_GEN1 | Solar | 1.0 MW | operational | Washington, Arkansas |
| Waste Management Eco Vista LFGTE | 57025_GEN4 | Gas | 0.8 MW | operational | Washington, Arkansas |
| Waste Management Eco Vista LFGTE | 57025_GEN3 | Gas | 0.8 MW | operational | Washington, Arkansas |
| Waste Management Eco Vista LFGTE | 57025_GEN5 | Gas | 0.8 MW | operational | Washington, Arkansas |
| Waste Management Eco Vista LFGTE | 57025_GEN2 | Gas | 0.8 MW | operational | Washington, Arkansas |
| Waste Management Eco Vista LFGTE | 57025_GEN1 | Gas | 0.8 MW | operational | Washington, Arkansas |
Top developers
Developer attribution is not yet resolved for this set.
Explore related data
Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); Southwest Power Pool — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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