Estimating Hydroelectric Operation and Maintenanceby David A. Alden, David Evans & Associates Inc, Bend, OR, USA,
Abstract: To improve the estimating of operation and maintenance costs for new small hydroelectric projects, an estimating model was developed. This model listed all of the operation and maintenance activities that might be required at a new project, and provided guidelines to the estimator both to determine which activities would be required at a particular project and to estimate the cost of each activity. On average, the model was found to estimate actual operation and maintenance costs with reasonable accuracy. However, individual projects were found to have discrepancies up to 50 percent, probably due to differences in operation and maintenance efficiency or philosophy.
Subject Headings: Maintenance | Hydro power | Construction costs | Hydrologic models | Model accuracy | Power plants
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