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Regional Field Verification — Operational Results from Four Small Wind Turbines in the Pacific Northwest  

Author:  | Technology

Bergey Excel S (10kW) wind turbines were installed at sites in the Pacific Northwest. Each installation was instrumented with data acquisition systems to collect a minimum of two years of operating data.

Performance Data (kWh/y):

Turbine 1, Stanford, Mont., Jan. 2004 to Dec. 2005
Based on predicted wind speed: 18,034
Based on measured wind speed: 15,969
Actual measured annual energy production: 11,389
–63% of predicted, 71% of measured-wind estimate

Turbine 2, Goldendale, Wash., Jan. 2004 to Dec. 2005
Based on predicted wind speed: 18,485
Based on measured wind speed: 17,473
Actual measured annual energy production: 12,577
–68% of predicted, 72% of measured-wind estimate

Turbine 3, Chester, Mont., Feb. 2004 to Feb. 2006
Based on predicted wind speed: 16,242
Based on measured wind speed: 9,786
Actual measured annual energy production: 7,926
–49% of predicted, 81% of measured-wind estimate

Turbine 4, Browning, Mont., Feb. 2004 to Feb. 2006
Based on predicted wind speed: 15,959
Based on measured wind speed: 15,679
Actual measured annual energy production: 8,424
–53% of predicted, 54% of measured-wind estimate

Presented at the American Wind Energy Association WindPower 2006, Pittsburgh, Pennsylvania, June 4–7, 2006

K. Sinclair, National Renewable Energy Laboratory
J. Raker, Northwest Sustainable Energy for Economic Development

Download original document: “Regional Field Verification – Operational Results from Four Small Wind Turbines in the Pacific Northwest

This article is the work of the author(s) indicated. Any opinions expressed in it are not necessarily those of National Wind Watch.

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