Satcon Selected for 5 Megawatt CalRENEW-1 Solar Farm

California`s First Utility Scale Solar PV Plant Under Renewable Portfolio
Standard Program Will Feature Satcon PrismTM
FREMONT, Calif.--(Business Wire)--
Satcon Technology Corporation (NASDAQ CM: SATC), a leading provider of utility
scale power solutions for the renewable energy market, today announced that it
has been selected for the CalRENEW-1 installation, the first utility-scale
photovoltaic solar farm to be approved by the California Public Utilities
Commission under the state`s Renewable Portfolio Standard program.

The 5 megawatt AC facility, located in Mendota, CA, will utilize five, one
megawatt Prism solutions, Satcon`s fully integrated utility platform that comes
complete with factory integrated medium voltage transformers, switchgear, and
electronics. Introduced in June of 2009, Prism is the industry`s most advanced 1
megawatt solar PV power conversion solution, and is built on the market leading
PowerGate 500 kW inverter line, which has been installed on over 170 megawatts
of large scale solar power plants since 2005. Each 1 MW Prism solution is
delivered complete in an all-climate outdoor enclosure and ready to connect to
the PV array and utility grid, enabling rapid installation through a modular
prepackaged design.

CalRENEW-1 will be one of the most advanced photovoltaic solar facilities in the
world. The 5 MW plant will generate zero emission electricity for sale to
Pacific Gas & Electric under a long term power purchase agreement.

"We are excited to be a part of the CalRENEW-1 project, which clearly
demonstrates the increased role of large scale solar power production as an
integral part of tomorrow`s energy network," said Steve Rhoades, President and
Chief Executive Officer of Satcon Technology. "Our continued focus on developing
the highest performing, most reliable, and most advanced utility ready solar PV
inverter systems allow us to deliver the solutions that enable utilities to
effectively integrate solar power as a secure and cost effective renewable
energy source."

About Satcon

Satcon Technology Corporation is the leading provider of utility scale
distributed power solutions for the renewable energy market, enabling the
industry`s most advanced reliable and proven clean energy alternatives. For over
24 years, Satcon has designed and delivered the next generation of efficient
energy systems for solar photovoltaic, stationary fuel cells, and energy storage
systems. To learn more about Satcon, please visit www.Satcon.com.

Satcon Technology Corporation
Senior Director of Worldwide Marketing
Michael Levi, 949-201-5955
michael.levi@satcon.com
or
Investor Relations Manager
Leah Gibson, 617-897-2400
leah.gibson@satcon.com

Copyright Business Wire 2009