4618 Review of Interconnection Proposals

A number of products that have not been previously used by electric utilities may satisfy these interconnection guidelines. Because a timely review process is important in any implementation of distributed generation, it is recommended that a review process be installed where the electric utility has four calendar weeks to respond to any request for distributed generation and interconnection approval. Good faith omissions, which can be relatively easy to deal with, ought not to unnecessarily delay approval of the project. If the electric utility rejects any implementation, it should give full reason and explanation. Upon request by the distributed generation project developer, the Commission will review this information and provide some guidance from a regulatory perspective within one month. Any projects so rejected can be proposed at any time in the future with deficiencies corrected. This timeline is based upon the customer providing all of the necessary information up-front. If information were missing, the timeline would be delayed by an amount reflecting the wait for information.

Proposal review shall be confidential, and information therein shall not be used for any competing purpose. When reviewing particular proposals or equipment, the utility shall take into account the intent of safety standards and the ability for the implementation to meet that intent of the host utility's safety and reliability practices and procedures. The review should also take into account the approvals of equipment by other utilities across the United States. It will not be acceptable to reject an implementation due to not meeting a particular utility's standards without addressing the implementation's negative effects on safety and reliability and its conformance to utility standards and practices.

In order to facilitate the review process, the following data shall be supplied as a minimum. Equipment specifications of major equipment including the generator and protection systems should include the following:

• One-line diagram

• System protection data as described above

• Location on utility system

• Commissioning date

• Synchronizing method

• Maintenance schedules

For certain small generators (less than 300 kilowatts) there may be a once-only evaluation by an independent laboratory of the technology against the standards. Once the technology is approved, it shall be an acceptable distributed generation technology that requires no further utility review.

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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