SatCon Announces Certification of It's Photovoltaic PowerGate(R) Inverters for Commercial Photovoltaic Applications

  
    
  
  
    
      SatCon Technology Corporation® (Nasdaq CM: 
      SATC), a developer of power management and system architecture solutions 
      for the alternative energy and distributed power markets today announced 
      that it has obtained certification of its PowerGate® 
      Inverter product-line for commercial photovoltaic applications to the 
      new UL standard coming into effect May 7, 2007. In January of 2006, 
      SatCon announced certification under the new UL1741 of its innovative 
      ground fault detection interrupter (patent pending) resulting in 
      significant savings for installers of photovoltaic systems. This new 
      certification for the entire product-line is a follow on to that 
      approval.
    
    
      With SatCon’s continued industry leadership, 
      its wholly owned subsidiary, SatCon Power Systems Canada is pleased to 
      report that as of the date of this press release it’s 
      backlog has grown from the $16 million reported in September of 2006 to 
      over $21 million today. This backlog has grown while revenues have 
      increased over 200% to $8.6 million in the last six months of 2006 as 
      compared to the same period of 2005.
    
    
      “Our strategy to focus our alternative energy 
      business and complementary power distribution products continues to 
      drive our backlog and revenue growth”, said 
      Clemens van Zeyl, President of SatCon’s Power 
      Systems subsidiary. “With approval of our 
      existing product-line to the new UL standard in hand, our focus will now 
      be on the introduction of our next generation PowerGate® 
      Inverter designed for increased capacity while offering additional value 
      added features to our customers”.
    
    
      About SatCon Technology Corporation
    
    
      SatCon Technology Corporation is a developer and manufacturer of 
      electronics and generators/motors for the Renewable Energy, 
      Hybrid-Electric Vehicle, Grid Support, High Reliability Electronics and 
      Advanced Power Technology markets. For further information, please visit 
      the SatCon website at www.satcon.com.
    
    
      (SATC-G)
    
    
      Statements made in this document that are not historical facts or 
      which apply prospectively are forward-looking statements that involve 
      risks and uncertainties. These forward-looking statements are 
      identified by the use of terms and phrases such as “will,” 
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      “expects,” “plans,” 
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      update the information contained in this release.