Sustainable Energy to Webcast Their Presentation at Ardour Capital's Ninth Annual Energy Technology Conference in New York on September 16, 2011

TORONTO, ONTARIO--(Marketwire - Sept. 15, 2011) - Sustainable Energy Technology Ltd. (TSX VENTURE:STG) ("Sustainable Energy") a manufacturer of parallel solar inverters Sustainable Energy Technologies is pleased to announce that a live webcast of Michael Carten's presentation at the Ardour Capital's 9th Annual Energy Technology Conference will be available on September 16^th 2011 at 10:00 am Eastern Standard Time.

Mr. Carten will be introducing the new PARALEX solar inverter product while discussing the changing dynamics within the solar inverter industry, the increasing interest in power optimization technology and how Sustainable's position on the leading edge is driving its growth strategy in Europe and North American markets.

You may participate in the webcast by registering at: www.wsw.com/webcast/ardour2/stg.to/.

An archived recording of the call will be available at www.wsw.com/webcast/ardour2/stg.to/ or www.sustainableenergy.com for the next 90 days as of September 17^th 2011.

The invitation only conference will be held at Fordham University Graduate School of Business, Lincoln Center Campus, in New York City, Sept. 15-16, 2011.

Ardour Capital Investments, LLC is a full service, NASD investment bank and securities research firm focused on Energy Technology/Alternative Energy & Power/Clean & Renewable Technologies since 2002. Ardour publishes in-depth company research and extensive technology focused industry research.

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; 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.