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ECN publication
Operation & Maintenance Cost Estimator (OMCE)- Estimate future O&M cost for offshore wind farms
Published by: Publication date:
ECN Wind Energy 17-11-2010
ECN report number: Document type:
ECN-M--10-089 Conference Paper
Number of pages: Full text:
6 Download PDF  

Presented at: DEWEK 2010 conference, Bremen, Germany, 17-18 november 2010.

The operation and maintenance (O&M) costs of offshore wind farms contribute significantly to the energy generation costs. Reliable estimates of these costs are required during planning and operation of the wind farm at several stages. Such estimates however have a large spread and are uncertain. ECN is developing the O&M Cost Estimator (OMCE) with which owners and operators of offshore wind farms are able to better estimate and control the future O&M costs for the next coming 1 to 5 years. The OMCE uses data and experience generated by the wind farm under consideration. The generated wind farm data, such as O&M data, data from SCADA systems, or data from (load) measurements and condition monitoring is suggested to be structured such that a so-called “Event list” can be extracted. The OMCE consists of so called “OMCE Building Blocks” in which structured data according to the event list format is processed into useful information for stand-alone analysis of the wind farm operational status and as input for the “OMCE-Calculator”. The OMCE-Calculator is the core of the OMCE, which uses the output of the building blocks to make cost estimates for the next 1, 2, or 5 years.

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