Review power assets, contract observations, facility specifications and relationships from public sources.
This partial collection preserves source-level observations. Generation and registered connection capacity are distinct from spare supply capacity for data centers. Planned dates and contract announcements do not confirm energization or supply commencement.
Current filters 2items · current page 1–2 · Source records, not unique facilities.
Power assets and projects · USA · eia860
Arrowrock Hydroelectric Project
Generation facilities · Unverified
Metric or condition
Source value
Basis, scope and stage
Grid Voltage (kV)
34.5 kV
Original source column definition · Power plant · Unverified As-of date 2025 Sources EV-16f954740e4448c30ecd0605
Detailed source fields
Original source field
Published value or condition
Utility ID
1932
Utility Name
Boise-Kuna Irrigation District
Plant Code
56997
Plant Name
Arrowrock Hydroelectric Project
Street Address
Hwy 21 & Arrowrock Rd
City
Boise
State
ID
Zip
83716
County
Elmore
Latitude
43.595
Longitude
-115.9233
NERC Region
WECC
Balancing Authority Code
IPCO
Balancing Authority Name
Idaho Power Company
Name of Water Source
Boise River
Primary Purpose (NAICS Code)
22
Regulatory Status
NR
Sector
2
Sector Name
IPP Non-CHP
FERC Cogeneration Status
N
FERC Small Power Producer Status
N
FERC Exempt Wholesale Generator Status
N
Ash Impoundment?
N
Ash Impoundment Lined?
X
Transmission or Distribution System Owner
Idaho Power Co
Transmission or Distribution System Owner ID
9191
Transmission or Distribution System Owner State
ID
Grid Voltage (kV)
34.5
Energy Storage
N
Natural Gas Storage
N
Coordinate accuracy
source_precision_not_independently_surveyed
source_record_id
2___Plant_Y2025.xlsx#Plant:5176
Coordinates locate the plant, including when this record describes one generator.
Location: Plant location · not an individual generator location
Sources, reference dates and retrieval dates 1itemseia860 ↗
Data Source 2025 · Retrieved 2026-10-05
Source: U.S. Energy Information Administration (EIA), 2025 final / August 2026 preliminary.
