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Apple acquired the 45 Mile Hydroelectric Plant near its Prineville, Oregon, data center in a deal reported in April 2014. The project was expected to generate 3–5 megawatts (MW), but the purchase price was not reported. Apple’s 2026 environmental report describes renewable power arrangements for Prineville without identifying the 45 Mile plant, so it does not establish whether Apple still owns or uses that specific facility.
What hydroelectric plant did Apple buy?
The facility was the 45 Mile Hydroelectric Plant, developed by EBD Hydro. Data Center Knowledge reported on April 14, 2014, that the project had transferred to Apple in December before publication. Utility Dive reported the acquisition the following day. Neither account stated the purchase price.
The plant was located at a concrete drop structure on the North Unit Irrigation District’s main canal in Jefferson County, Oregon. The design described in the 2014 reporting diverted canal water for about half a mile, ran it through a turbine, and returned it to the canal. Data Center Knowledge’s account details the project layout.
How much power was it expected to produce?
Contemporary reports put the plant’s projected output at 3–5 MW. These were estimates reported in 2014, not verified measurements of the facility’s operating output.
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Utility Dive compared that estimate with the Prineville data center’s then-reported full-capacity demand of 30–40 MW. On those historical estimates, the plant’s projected capacity was smaller than the facility’s reported demand. Neither figure should be treated as a current specification. Utility Dive’s April 2014 summary reports both figures.
Does Apple still use the 45 Mile plant?
Apple’s 2026 Environmental Progress Report does not name the 45 Mile plant, so it does not confirm whether Apple still owns or uses it. The report says the Prineville data center has been “100 percent renewable since opening May 2012” and describes two microhydro projects using flow from local irrigation canals. It does not identify those projects as the 45 Mile facility.
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Apple’s report also describes distinct wind and solar arrangements for the site. They are separate from the 45 Mile project and should not be read as its capacity or as proof that electricity from that plant is physically delivered to the data center.
| Arrangement or figure | What Apple’s 2026 report says |
|---|---|
| Montague Wind Power Facility | 200 MW power purchase agreement |
| Solar Star Oregon II | 56 MW agreement |
| Oregon solar portfolio | Long-term agreement for environmental attributes from eight projects totaling 69 MW |
| Two microhydro projects | Use flow from local irrigation canals; the report does not name the 45 Mile plant |
The report states that Prineville used 267 million kilowatt-hours of electricity in 2025. Apple also reports 79,000 metric tons of CO2e avoided for 2025 using the GHG Protocol’s market-based emissions methodology. These are Apple-reported figures for that year and methodology, not measurements of the 45 Mile plant’s output. See Apple’s 2026 Environmental Progress Report.
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What the acquisition figures do—and do not—show
- The acquisition was reported in April 2014, and the transfer was said to have taken place in December before those reports.
- The 3–5 MW output and 30–40 MW data-center demand figures are historical projections or estimates, not confirmed current operating values.
- Apple’s later reporting documents a wider renewable-energy mix at Prineville but does not connect the named 45 Mile plant to that mix.
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