Renewable energy
Arco Wind and Solar Project
Bonneville County, Idaho
Project overview
EIA's September 2026 inventory lists Arco Wind and Solar Project in Bonneville County, Idaho, with 359 MW of onshore wind generation. The reporting entity is PacifiCorp.
- Scope
- EIA plant ID 66651; 2 planned generator/storage unit records, grouped as one project. Reported nameplate capacity: 359 MW of onshore wind generation. Unit status detail as of September 2026: (T) Regulatory approvals received. Not under construction: generator IDs 37565, C2-92.
- Project type
- Onshore wind generation
- Reported investment / scope
- Not available
- Funding sources
- Not available
- Delivery method
- Not available
Organizations involved
- Owner / developer
- PacifiCorp
- Developer
- Not available
- Engineering firm / architect
- Not available
- General contractor / construction manager
- Not available
- EPC contractor
- Not available
- Technology / equipment providers
- Not available
- Financial sponsor
- Not available
- Other recorded participants
- EIA reporting entity: PacifiCorp
Business opportunities
Not verified
- Current procurement record
- Not available
- Upcoming procurement
- Not available
- Contract / package value
- Not available
- Supplier / subcontractor opportunities
- Not available
- Workforce requirements
- Not available
Check official project / procurement portal ↗
A project listing is not an open solicitation. Check the source for eligibility, current status, closing time and addenda.
Timeline & key dates
- Expected procurement
- Not available
- Construction start
- Not available
- Estimated completion
- December 2027–December 2028 across the listed units (reported planned operation; September 2026 inventory; subject to change)
- Dated milestones
- Not available
- Permitting
- EIA reports at least one unit with regulatory approvals received, but not under construction, as of September 2026; see unit status detail.
- Recent project updates
- 2026-10-25: Checked against EIA's September 2026 preliminary inventory, released October 23, 2026. Reported status: (T) Regulatory approvals received. Not under construction. The owner field reproduces EIA’s reporting Entity Name and does not independently establish ultimate ownership. Reported operating dates and capacities are preliminary, not commitments. Map coordinates are EIA-reported plant points and are approximate. Project budget, contractor awards and open bids are not verified by this source.
- Challenges / risks
- Not available
Related intelligence
No verified record associations have been entered for this project yet.
Connections use recorded entity IDs and public evidence. Shared keywords do not establish a relationship.
Additional project record
EIA's September 2026 inventory lists Arco Wind and Solar Project in Bonneville County, Idaho, with 359 MW of onshore wind generation. The reporting entity is PacifiCorp.
Project scope
EIA plant ID 66651; 2 planned generator/storage unit records, grouped as one project. Reported nameplate capacity: 359 MW of onshore wind generation. Unit status detail as of September 2026: (T) Regulatory approvals received. Not under construction: generator IDs 37565, C2-92.
Sponsor and location
Reported organization: PacifiCorp
Location: Bonneville County, Idaho
Status and schedule
2026-10-25: Checked against EIA's September 2026 preliminary inventory, released October 23, 2026. Reported status: (T) Regulatory approvals received. Not under construction. The owner field reproduces EIA’s reporting Entity Name and does not independently establish ultimate ownership. Reported operating dates and capacities are preliminary, not commitments. Map coordinates are EIA-reported plant points and are approximate. Project budget, contractor awards and open bids are not verified by this source.
Reported operating target: December 2027–December 2028 across the listed units (reported planned operation; September 2026 inventory; subject to change)
Source verification
EIA Form 860M, September 2026 preliminary inventory, Planned worksheet, plant ID 66651, Excel rows 1235, 1779. Published October 23, 2026; checked October 25, 2026. Only the units in the Planned worksheet are included.
Saved searches & recent searches
Sign in to keep searches across devices. Your recent searches on this device appear below.
Join Infraday Free · Sign in