Sustainable Energy Technologies Ltd.
TSX VENTURE : STG

Sustainable Energy Technologies Ltd.

December 18, 2007 11:05 ET

Sustainable Energy Inverters Power 6 MW Solar Tracker Project

World's Third Largest Tracker Project Inaugurated

CALGARY, ALBERTA--(Marketwire - Dec. 18, 2007) - Sustainable Energy Technologies Ltd. (TSX VENTURE:STG), www.sustainableenergy.com marked a significant milestone with the official inauguration and commissioning of a 6 megawatt solar tracker project by Solaer S.L., near La Motilla del Palancar in the Spanish Province of Castille la Mancha.

The previously announced project - believed to be the third largest of its kind in the world - uses more than 1,000 of Sustainable Energy's SUNERGY™ inverters to connect the solar trackers to the power grid.

"We are very pleased with the quality and the performance of the SUNERGY™ inverters, and we intend to use them in future projects," said Gabrielle Cuartero, General Manager of Solaer S.L, one of Spain's leading solar project developers.

"This is an important milestone for Sustainable Energy" said Michael Carten President & CEO of the Company. "It marks Sustainable Energy as a credible competitor in what is the fastest growing major solar power market in the world."

The recent inauguration of the project was also attended by the Canadian Ambassador to Spain as well as the Minister of Industry for Castille la Mancha, Spain's largest province, which leads Spain in solar PV installations.

About Sustainable Energy: Based in Calgary Alberta, Sustainable Energy (www.sustainableenergy.com) designs, manufactures and markets power inverters for the renewable energy industry. Sustainable's SUNERGY™ inverter delivers performance and safety advantages for grid-connected solar power plants that are not possible with conventional inverter technologies.

Certain statements contained in this press release may be considered as forward-looking. Such forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from estimated or implied results.

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

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