Sustainable Energy Technologies Ltd.
TSX VENTURE : STG

Sustainable Energy Technologies Ltd.

March 30, 2010 08:30 ET

Sustainable Energy's SUNERGY Inverters Certified for Germany and Other Markets

VDE Certification Opens Germany, France and Czech Markets to SUNERGY & PARALEX

CALGARY, ALBERTA--(Marketwire - March 30, 2010) - Sustainable Energy Technologies Ltd (TSX VENTURE:STG) ("Sustainable Energy" or the "Company") announced today that its SUNERGYTM ELV (extra low voltage) and SUNERGYTM LV (low voltage) inverters have been certified for interconnection with the power grid in Germany, as well as France, Belgium and the Czech Republic, which have adopted the German interconnection for their solar PV installations.

"This is the second of two major product milestones achieved in this Quarter" said Brent Harris, Vice President, Product Development and a co-founder of the Company. "With UL/CSA certification for North America achieved in January and VDE certification achieved this month, we have now cleared the way for entry into all major global solar markets. Not only are the VDE and UL standards the most technically comprehensive in the industry, but in combination they grant admission to 75% of the world market for grid-tied photovoltaics."

The patented SUNERGY inverter technology is at the heart of Sustainable Energy's PARALEXTM system architecture which is the first to deliver the higher energy yields and lower cost installation of a massively parallel solar PV system design with an industry standard form and cost factor. The very low operating voltages of the PARALEXTM system make it inherently safe for schools, public buildings and other applications where public safety is a driver. A video explaining PARALEXTM and its advantages can be found at www.paralexsolar.com.

The SUNERGYTM ELV (extra low voltage) and SUNERGYTM LV (low voltage) have been certified to "DIN VDE 0126-1-1" standards by Berufsgenossenschaft Energie Textil Elektro Medienerzeugnisse a German certification agency. Sustainable Energy has begun production and first deliveries of a 230 volt AC output with a nominal 5,000 watt AC power output. Peak conversion efficiencies are measured in excess of 96.3%.

About Sustainable Energy Technologies Ltd: Sustainable Energy (www.sustainableenergy.com ) designs, manufactures and distributes power inverters for grid-connected solar PV systems under the SUNERGYTM trademark. 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.

PARALEXTM (www.paralexsolar.com) is a solar power system architecture enabling solar modules to be wired in a parallel array. Using Sustainable Energy's patented SUNERGYTM inverter technology, the PARALEXTM architecture enables each solar module to operate independently of any other module in the system delivering 5-15% increased energy yield, without the expensive hardware and continuing maintenance cost of micro-inverter products. Every module delivers its maximum power potential while eliminating the string inverter impact of shading, soiling and other real world factors.

In rooftop applications, the extra low operating voltage of the SUNERGY platform enables a system architecture that is inherently safe and that can be installed and maintained by most building trades without the need for PV specialists, significantly reducing the installed system cost and increasing investor yields.

Sustainable Energy's technologies are the subject of multiple patents issued by and pending with the US Patent and Canadian Patent Offices.

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 impact of our technology on solar PV system performance; statements concerning the potential for sales in the markets we have entered; statements concerning the installed cost of the solar PV systems incorporating our products and statements concerning the value of certification of the product in certain European markets. Forward-looking information is not a guarantee of future performance and involves a number of risks and uncertainties. In particular there is no assurance that performance of the systems will be as estimated or that the VDE certification will necessarily be determinative of the ability to sell products in the identified markets or that laws may not change resulting in a requirement for re-certification. 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. Readers are also directed to the Risk Factors section of the Company's current Annual Information Form which may be found on its website or at www.sedar.com 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.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

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