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Transparent Cost Database

Transparent Cost Database

Date: 8/14/2012

The Transparent Cost Database (TCDB) provides utilities, policymakers, consumers, and academics access to published historical and projected cost estimates for electricity generation, biofuels, and vehicle technologies. These technology cost and performance estimates can be used to benchmark company costs, model energy scenarios, and inform research and development decisions. All data are downloadable for full transparency. Drawing from thousands of estimates from more than 100 reports, the Web-based TCDB provides cost comparisons and shows the range of estimates for what energy technologies—such as a utility-scale wind farm—might cost today or in the future. In the future, TCDB will allow experts to contribute reliable new information and validate the cost information available to the public. TCDB is available on, an open source for energy data and information.

This information was last updated on 8/14/2012

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