Power generation
Atlas VIII — Battery Energy Storage
La Paz County, Arizona
Project overview
EIA's September 2026 inventory lists Atlas VIII in La Paz County, Arizona, with 382.4 MW of battery storage power capacity. The reporting entity is Atlas VIII LLC.
- Scope
- EIA plant ID 68323; 2 planned generator/storage unit records, grouped as one project. Reported nameplate capacity: 382.4 MW of battery storage power capacity. Battery figures are power ratings in MW; storage duration and energy capacity in MWh are not established by this record. Unit status detail as of September 2026: (V) Under construction, more than 50 percent complete: generator IDs ALT8A, ALT8B.
- Project type
- Battery energy storage
- Reported investment / scope
- Not available
- Funding sources
- Not available
- Delivery method
- Not available
Organizations involved
- Owner / developer
- Atlas VIII LLC
- 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: Atlas VIII LLC
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 2026–January 2027 across the listed units (reported planned operation; September 2026 inventory; subject to change)
- Dated milestones
- Not available
- Permitting
- Not available
- Recent project updates
- 2026-10-25: Checked against EIA's September 2026 preliminary inventory, released October 23, 2026. Reported status: (V) Under construction, more than 50 percent complete. 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 Atlas VIII in La Paz County, Arizona, with 382.4 MW of battery storage power capacity. The reporting entity is Atlas VIII LLC.
Project scope
EIA plant ID 68323; 2 planned generator/storage unit records, grouped as one project. Reported nameplate capacity: 382.4 MW of battery storage power capacity. Battery figures are power ratings in MW; storage duration and energy capacity in MWh are not established by this record. Unit status detail as of September 2026: (V) Under construction, more than 50 percent complete: generator IDs ALT8A, ALT8B.
Sponsor and location
Reported organization: Atlas VIII LLC
Location: La Paz County, Arizona
Status and schedule
2026-10-25: Checked against EIA's September 2026 preliminary inventory, released October 23, 2026. Reported status: (V) Under construction, more than 50 percent complete. 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 2026–January 2027 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 68323, Excel rows 393, 564. Published October 23, 2026; checked October 25, 2026. Only the units in the Planned worksheet are included.
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