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 PGE Home >> Our Community & Environment >> PGE & the Environment >> Green Power >> Biglow Wind Farm
Biglow Facts at a Glance

Gary Hackett, PGE Plant Manager, at the new Biglow substation
Key facts about Biglow Canyon Wind Farm, phase one

Number of turbines: 76

Turbine measurements:
     Height: 396 ft (with blade fully extended)
     Weight: 246 tons

Blades:
     Rotation rate: 14.4 revolutions per minute
     Diameter: 269 ft
     Blade tip speed: 130 mph and above
     Operational speed:

  • Rotor blades start at a wind speed of 7 mph
  • Power produced at a wind speed of 9 mph
  • Maximum rated power (1.65 megawatts) reached at wind speeds of 27 mph and greater
  • High-wind shutdown initiated when average speed reaches 55 mph for more than one minute
Tower foundation:
     Diameter: 52.5 ft
     Depth: 9.5 ft
     Materials: 348 cubic yards of concrete reinforced by 26 tons of steel rebar

Output delivery: Delivery will be made to PGE through a newly constructed Biglow substation connected to a new high-voltage Bonneville Power Administration transmission line to a substation in John Day

Estimated project cost: $255 million to $265 million. Part of that cost is being offset by the Energy Trust of Oregon, Inc., which is contributing $6 million.