
A number of databases are available for collecting information on a variety of issues including distributed energy emissions regulations, siting regulations, regulatory codes, "exit fees", standby rates, and economic incentives.
- Distributed Energy Case Study Database
Hundreds of case studies can be found on the DE Case Study Database, which is searchable by project name, sector, subsector, state, prime mover (DG type), CHP application, system size, etc. Once a sector (e.g. industrial) is chosen, a list of North American Industry Classification System (NAICS) subsectors (e.g. food processing, metal casting, chemical, etc.) pops up for cross referencing to the this market sector classification system.
- DER Equipment Guide
An equipment guide provided by the California Energy Commission. Choose a technology, and then select the "vendor" link.
- Distributed Energy Selector
This tool suggests the best DER technology for a given application and geographical area by drawing on a database of more than 600 DER products. Additional parameters can be used to provide a more precise match. Provided by the Consumer Energy Council of America's Distributed Energy Forum.
- DG Regulatory Project Guide
Database organized by state provides distributed energy information for emissions regulations, siting regulations, regulatory codes, "exit fees", standby rates, and economic incentives.
- Regulatory Requirements Database for Small Electric Generators
The Regulatory Requirements Database for Small Electric Generators is an online resource that provides basic information, on a state-by-state basis, about permit requirements for distributed generation projects. Additionally, it provides information on "exit fees," standby rates, and economic incentives, if information is available. Each state page provides information for emissions regulations, siting regulations, and regulatory codes. The database is continuously updated and maintained by Energy and Environmental Analysis, Inc., for the U.S. Department of Energy and Oak Ridge National Laboratory.

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