The Green Energy® produced at Castle River is used to supply customers who are committed to making a difference through their electricity purchase.
The 60 turbines annually produce 125,000 megawatt hours of electricity, which is enough to reduce carbon dioxide emissions by 87,500 tonnes.
At a Glance
- Location: Near Pincher Creek, Alberta, southwest of Pincher Creek airport
- Technology: 1 Vestas V44 turbine (600 kW, 40 m tower); 59 Vestas V47 turbines (660 kW, 50 m tower)
- The 50 m tower is made up of rolled steel and comes in two pieces, weighing 24,000 kg
- Each blade is 23 m long; the rotor is 8,500 kg and is made up of three blades
- The nacelle containing the generator and gearbox is about the size of a small motor home and weighs 20,000 kg
- The foundation is 8.5 m deep and 5 m across. 102 tension type bolts run the full length of the foundation
Note: TransAlta gratefully acknowledges Natural Resources Canada (NRCan) for its support for this project through the eco Energy for Renewable Power (eERP) program.
Facts & Figures
Location: Pincher Creek, AB
Capacity (MW): 44
First on-stream: 1997
Revenue Source: Merchant
Contract Expiry: 2011