|Title||Evaluating State Markets for Residential Wind Systems: Results from an Economic and Policy Analysis Tool|
|Year of Publication||2004|
|Authors||Jennifer L Edwards, Ryan H Wiser, Mark Bolinger|
|Keywords||electricity markets and policy group, energy analysis and environmental impacts department|
This paper presents results from a Berkeley Lab analysis of the impact of existing and proposed state and federal incentives on the economics of grid-connected, residential small wind systems. Berkeley Lab has designed the Small Wind Analysis Tool (SWAT) to compare system economics under current incentive structures across all 50 states. SWAT reports three metrics to characterize residential wind economics in each state and wind resource class:
This paper presents SWAT results for a 10 kW wind turbine and turbine power production is based on a Bergey Excel system. These results are not directly applicable to turbines with different power curves and rated outputs, especially given the fact that many state incentives are set as a fixed dollar amount, and the dollar per Watt amount will vary based on the total rated turbine capacity. This analysis covers state incentives that directly affect the cash flow of residential customers that purchase and install a small wind system. The SWAT analysis includes all state incentives that were in place in January of 2004. However, limited funds mean that incentives will not be continuously available to all customers.
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