Wind Today - Q1 2008 - (Page 15)

WT TECHNICAL: O&M CONSIDERA TIONS FOR WIND FARMS operator hiring. • Local contractors may be available. • The wind farm owner can hire a specialized wind project O&M provider. The decision about who provides O&M services to a wind farm is based on the comfort level of lenders or equity partners with the different options available. The value of high project availability will also influence the decision, as well as emphasis placed on short-term cost versus life-cycle cost of service. Finally, the importance of providing local jobs will influence decisions about O&M service providers. Is the Cost of O&M Worth the Benefit? The cost for 24/7 remote monitoring is dependent on the number of turbines monitored and the services provided. This example is based on a project with 100 wind turbines (1.5 MW each) where the cost for 24/7 monitoring would be $1,000 per year per turbine. In a 365-day year, that would calculate out to $2.73 per day, and 11.5¢ per hour. Services that may be provided in this scenario could include: • Remote reset (working off a list provided by the owner and/or the OEM). • Call out (working off criteria provided by owner). • Simple reporting (resets performed/fault count/call log). This project could be expected to generate 1500 kilowatts (kW) at eight cents per kWh, for revenue of $120 per hour. If a wind turbine shuts down at 10:00 p.m. and is remotely reset and runs through the night until 8:00 a.m. when staff would normally arrive, the remote reset would have saved 10 hours at $120, or $1,200 from one occurrence. In this instance, the annual cost of $1,000 for O&M service for that one turbine would have been more than paid for in one reset. Response No. 151 15 http://www.portoflongview.com http://www.portoflongview.com

Table of Contents Feed for the Digital Edition of Wind Today - Q1 2008

Wind Today - Q1 2008 Contents Windpower 2008 U.S. Energy Map Canada Energy Map Global Report Options and Expectations for O&M Service Providers O&M Safety Issues for Wind Farms Guanting Wind Farm to Power 2008 Olympics Operating Economics of Wind Farms Long-Term Operating Costs Post-Warranty Energy Bill Incentives May Have Another Chance Wind Gears: A Closer Look at the Drive Train Elk River Wind Farm Should Lightning Be A Concern For Wind Farms? Interview: Steve Sawyer Zephyr Powers Jiminy Peak Mountain Resort WT News: United States & Canada Interview: Willett Kempton Centennial Wind Energy WT Transmission: Southwest Power Pool EPA's Top 25 Wind Power Projects 2008 RPS Update Mark Scher, MSE Power Systems Richard Legault, Helimax Second Wind Henkels & McCoy NRG Systems Apterra Technologies, Inc. Wind Resource Maps: Michigan and New York Calendar Glossary Product Surveys Ad Index

Wind Today - Q1 2008

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