Sustainable Energy Technologies Ltd.
TSX VENTURE : STG

Sustainable Energy Technologies Ltd.

April 09, 2009 09:30 ET

Spain's Techno Sun to Distribute Sustainable Energy's Leading SUNERGY Inverter

Leading Wholesaler Cites Low Voltage Parallel Architecture as Ideal for Thin Film PV

CALGARY, ALBERTA--(Marketwire - April 9, 2009) - Sustainable Energy Technologies Ltd (TSX VENTURE:STG) ("Sustainable Energy" or the "Company") is pleased to announce that Techno Sun S.L. (www.technosun.com) has begun marketing the Company's SUNERGY inverter in Spain, and is recommending the product as ideal for parallel systems installations and for thin film PV panels.

http://www.technosun.com/es/principal/productos/familias/inversores.htm

Headquartered in Valencia, Techno Sun is one of Spain's largest and most respected wholesale distributors of renewable energy products, including solar PV and small wind power systems. "We are delighted by Techno Sun's product endorsement, which underscores the significance of the industry's only viable "parallel" system architecture for thin film PV," said Michael Carten, President and CEO of Sustainable Energy.

"In European markets, and now in Ontario, system design decisions are almost entirely driven by cost and internal rate of return (IRR) considerations, and only indirectly by PV module efficiencies. Thin film products are already taking significant market share from conventional crystalline products based on lower costs and higher power output per rated watt."

"With support from Techno Sun, we have created a product solution for several of the leading thin film PV products in the market which drives further cost out of the balance of system, and increases the energy yield from rooftop installations," added Carten.

Last year Spain signaled its intention that at least 2/3 of all new projects must be on rooftops, and the program is now being implemented. Last month, the Spanish government published the first list of projects approved for feed in tariffs and a second list is expected this month.

About Sustainable Energy: Based in Calgary, Canada, Sustainable Energy (www.sustainableenergy.com) designs, manufactures and distributes power inverters for grid-connected solar PV systems. Advanced power inverters are a critical enabler of all modern solar PV power systems converting the direct current ("DC") power output of the solar PV modules into the high quality alternating current ("AC") power required by the power grid. Advanced power inverters also optimize the performance of the solar PV modules and maintain the integrity and safety of the interconnection with the power grid.

Sustainable Energy has developed and patented an inverter platform that is the only inverter to enable a high efficiency "parallel" architecture for grid-connected solar PV systems in a standard industry form factor. A parallel architecture eliminates the need for complex string calculations and enables much higher penetration of the available rooftop area, thereby expanding the range of sites where solar PV is economic. The parallel architecture also reduces system losses from partial shading, variances in the orientation of the modules, and from variances in manufacturing tolerances.

Sustainable's inverter technologies are a breakthrough in inverter design and the subject of 9 patents issued by the US Patent Office with further patents pending.

Forward Looking Information

The reader is advised that some of the information herein may constitute forward-looking statements within the meaning assigned by National Instruments 51-102 and other relevant securities legislation. In particular, we include: statements concerning the growth in solar PV installations to different market segments over the next four year, and the value of our technology to the industry. Forward-looking information is not a guarantee of future performance and involves a number of risks and uncertainties. Many factors could cause the Company's actual results, performance or achievements, or future events or developments, to differ materially from those expressed or implied by the forward-looking information. Readers are cautioned not to place undue reliance on forward-looking information, which speaks only as of the date hereof. The Company does not undertake any obligation to release publicly any revisions to forward-looking information contained herein to reflect events or circumstances that occur after the date hereof or to reflect the occurrence of unanticipated events, except as may be required under applicable securities laws.

The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this release.

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