Sustainable Energy Ships Another 190 Units to tenKsolar for E.U. Market

TORONTO, ONTARIO--(Marketwire - Sept. 6, 2011) - Sustainable Energy Technology Ltd. (TSX VENTURE:STG) ("Sustainable Energy" or the "Company") is pleased to announce that it has shipped another 190 units to tenKsolar for rooftop systems in Europe. To date, the Company has delivered 797 units to tenKsolar and its distributors out of a total 4,600 units to be delivered under a previously announced supply contract.

"We are very excited that tenKsolar is gaining traction in several key European markets," said Michael Carten CEO of Sustainable Energy. "Their patented RAIS^® Wave system enables one of the lowest costs per kilowatt hour of any product in the market. According to Joel Cannon, tenKsolar's CEO, the company is targeting a stunning $0.08 per kWh in sunny markets.

Sustainable Energy's inverter technology is a key enabler of the cost advantages of the RAIS^® Wave system. The two companies are working closely to optimize Sustainable Energy's lower cost 3^rd generation inverter platform for the system.

About tenKsolar:

Headquartered in Minneapolis, Minnesota, tenKsolar (www.tenKsolar.com) designs, manufactures and markets unique photovoltaic systems which provide the highest kilowatt hour production per unit area at the lowest cost per kilowatt hour in the industry. tenKsolar's turn-key solar solution provides a fully integrated self-ballasted roof-top system which cuts installation time by as much as 40% per equivalent watt and has been engineered to handle winds in excess of 140 km/h.

About Sustainable Energy:

Sustainable Energy (www.SustainableEnergy.com) is Canada's solar inverter company. The Company's patented technologies enable the only solar inverter which combines the low cost and easy serviceability of conventional string inverters with the performance and design flexibility of module level power optimization. The Company's products target light industrial commercial and institutional rooftop applications.

The benefits of module level power optimization include: (i) 5% - 15% higher total system power output by reducing systemic losses from shading and module degradation; (ii) a better fill factor enabling better coverage of available space; (iii) a simplified system design and installation; and (iv) the safety of extra low operating voltages. 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, we include: statements concerning the impact of our technology on solar PV system performance; and statements concerning demand for products; and statements concerning tenKsolar and the performance of its RAIS Wave technology.

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.

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.