SatCon power conditioning system passes requirements for “rule 21”

Compliance sets stage for use in generating facilities interconnected to the utility grid

CAMBRIDGE, Mass., Nov. 26, 2002 — SatCon Technology Corp. announced Monday that its Power Conditioning System for on-site power generation has been found to be compliant with the requirements of several interconnection standards, including Rule 21, that governs electrical power generation systems connected to the electric utility grid.

Passing these standards allows on-site power generation systems, such as commercial fuel cells, photovoltaics or turbines, using SatCon’s Power Conditioning System to be installed in states where compliance with interconnect standards is a requirement, including California and New York.

“This was an important standard for us to meet,” said David Eisenhaure, SatCon president and chief executive officer. “Without this compliance, our systems would not be allowed to connect to the grid in several key states where distributed, on-site power generation is being considered as a real alternative to the electric utility grid. Many potential customers are searching for ways to gain independence from the utility grid in order to gain increased reliability, lower costs and improved environmental performance. We believe this gives SatCon a competitive advantage when offering our Power Conditioning Systems to manufacturers of these alternative energy solutions.”

SatCon’s Power Conditioning System Model AE-462-60-F-A was found to be compliant with the requirements of the California Public Utility Commission Sheet No. 30685-E, Rule 21, Generating Facility Interconnections dated March 27, 2002, New York State Energy Research and Development Authority (NYSERDA) Standard Interconnection Requirements (SIR) dated November 9, 2000, the Recommended Practice for Utility Interface of Photovoltaic Systems IEEE P929 and the Recommended Practice on Surge Voltages in Low-Voltage AC Power Circuits, IEEE C62.41-1991, and with the requirements of the New Hampshire Chapter Public Utility Commission 900 interconnect requirements dated January 9, 2001.

The unit is also Listed in accordance with the Standard for Safety of Inverters, Converters and Controllers for Use in Independent Power Systems, UL1741 Second edition dated May 7, 1999, including revisions dated January 17, 2001.

About SatCon Technology Corporation

SatCon Technology Corporation manufactures and sells critical products for digital power markets. SatCon has three business units: SatCon Power Systems manufactures and sells power systems for distributed power generation, power quality and factory automation, including inverter electronics from 5 kilowatts to 5 megawatts.

SatCon Electronics manufactures and sells power chip components; power switches; RF devices; amplifiers; telecommunications electronics; and hybrid microcircuits for industrial, medical, military and aerospace applications. SatCon Applied Technology develops advanced technology in digital power electronics, high-efficiency machines and control systems for a variety of defense applications with the strategy of transitioning those technologies into long-term production programs. For further information, please visit the SatCon website at

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The Clarion Energy Content Team is made up of editors from various publications, including POWERGRID International, Power Engineering, Renewable Energy World, Hydro Review, Smart Energy International, and Power Engineering International. Contact the content lead for this publication at

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