1723Local Environmental Regulations

Based on the projected emission signatures of distributed generation technologies, it is anticipated that federal regulatory requirements for NSR will not be triggered. Local agencies will therefore be the primary regulatory authority overseeing DG projects relative to environmental drivers. Depending on the attainment status of the local area, permitting thresholds specified by air pollution control districts (APCDs) may limit the operating schedule (i.e., numbers of hours per year) or emission limits of a DG device if a predetermined power rating is exceeded. In addition, control technologies may be required. If the permit thresholds are not triggered, DG technologies will be exempt from local air quality regulations. Given the dynamics of evolving distributed generation technologies and the deregulated electric utility industry, it is likely that permitting requirements will change over the next several years. These changes may broaden the regulatory envelope to include select DG technologies.

Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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