-High yield, low voltage operating system to deliver safe sustainable solar power for public buildings -

Toronto - November 2, 2010 - Sustainable Energy Technologies Ltd (TSX V:"STG") ("Sustainable Energy" or the "Company") Canada's solar inverter company, announced today that its SUNERGYTM inverters have been selected for solar PV systems totalling 250kW to be installed on two educational and recreational buildings in southern Ontario.

"Sustainable's parallel system design now makes the additional safety of low system operating voltages a viable and economic option for developers and property owners specifying solar PV systems for larger buildings. This is especially important for applications such as schools and recreational facilities, where we simply have a higher standard of care," said Michael Carten, Chief Executive Officer of Sustainable Energy.

The "parallel" option continues to gain momentum in rooftop applications for its flexibility, safety, and
higher yield under real world conditions. Sustainable Energy has the only product in the market today which offers these benefits in the higher power ratings needed for larger public buildings, such as schools, hospitals and recreational centres, with the same cost and serviceability factor as conventional inverter products in the market. Leading EPC firms and property owners alike are coming to appreciate the value of smaller inverters distributed on the roof over the larger high voltage "central" inverters in terms of improved life cycle costs, less downtime and better system availability, in addition to better power point tracking, all of which lead to a higher total return on investment for project owners.
Sustainable's SUNERGY inverters deliver these advantages with all the leading modules in the market
today.

For competitive and customer confidentiality reasons, the Company does not disclose the value of the contracts or the customer.

About Sustainable Energy: Sustainable Energy (www.sustainableenergy.com) is Canada's solar
inverter company. The Company's patented inverter technologies are a breakthrough in power
inverter design and capabilities for all forms of distributed generation and smart grid applications.
The SUNERGYTM inverter is the industry's only grid-interactive solar inverter which enables a "parallel"
solar PV system architecture in higher power ratings with a cost and serviceability factor that is
comparable to conventional inverters in the market. The benefits of parallel solar are: (i) 5% - 25%
higher total system power output; (ii) a better fill factor enabling better coverage of available space;
(iii) simplified system design and installation; and (iv) the safety of extra low operating voltages which
ensures the safety of building maintenance personnel, first responders, and tradesmen who may
accidentally come into contact with system wiring.
Sustainable Energy's technologies are the subject of multiple patents issued by and pending with the
Canadian and US 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, it includes: statements concerning the impact of our technology on solar PV system performance; statements concerning the impact of system design on system performance of architecturally integrated solar power systems.
While management believes these statements to be accurate they are dependent on a wide range of factors
beyond management's control and should not be viewed as a guarantee of the specific outcome. Forward-looking information is not a guarantee of future performance and involves a number of risks and uncertainties.
Many factors could cause the Companies' 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 Companies do 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.
For further information please contact:
Michael Carten
Chief Executive Officer
Sustainable Energy Technologies Ltd.
(403) 508-7177 #111