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Preliminary 2025 facility recordOperating

Nyssa, OR · EIA plant 50362

Tunnel 1 Power Project

Tunnel 1 Power Project is a hydro power facility in Nyssa, OR, with 9 MW of operating capacity.

Open on mapView OR profileOpen EIA source
Operating capacity9 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityOwyhee Irrigation DistrictEIA-reported operator
Balancing authorityIPCOIdaho Power Company

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro9 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

Nearby in OR

Related facilities

OR · 0.6 miOwyhee Dam Power Project5 MW →OR · 9.8 miMichell Butte Power Project2 MW →OR · 13.6 miOpen Range Solar Center, LLC10 MW →OR · 21.7 miGrove Solar Center, LLC6 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source