Aquatic Environment  

Fish conservation using cost-effective technologies

ATET-Tech is an environmental consulting company focused on fish conservation at industrial water intakes including once-though-cooling, hydroelectric, irrigation, pulp & paper, and manufacturing.  ATET-Tech has experience evaluating different fish protection systems such as barrier nets, acoustic and light systems, fine mesh screens, fish pumps and fish return systems especially related to cost-effectiveness, biofouling, and strengths/weaknesses in mitigation control. ATET has also developed a new underwater LED device (Light Guidance Device, LGD) for fish management applications which has been designed to work alone or integrated with different fish conservation methods.

ATET announces partnership with European company with Electric Fish Fence Technology

ATET has joined forces with a European Company to bring their unique electric fish fence technology to Canada and the US for fish management applications at hydro facilities and other water users. This technology has been tested in Germany and Austria for several fish species. Details of the electric fish fence are shown in the attachment. This technology has application used alone or integrated with our light guidance device.

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Dr. Paul Patrick latest publication

Dr. Patrick has recently published a paper entitled "Size distribution of larvae entrained and the role of fine mesh screening in excluding larvae at an operating power plant" at Lake and Reservoir Management (

ATET opens a new branch as ATET-TECH US

We are glad to report that we have created  ATET-TECH US as we have recently incorporated in the state of Florida to conduct fish conservation business in the US for all water users. 

ATET at the 2018 Power and Water Conference - October 2018

ATET-tech is one of two companies presenting information on fish passage technologies at the Power of Water Conference October 29-31, 2018. Niagara Falls, ON. The session is on integrating fish passage in retrofits and redevelopments at hydroelectric facilities. We look forward to meeting you there. 

Latest Hydro Review article

An excellent summary of research activities of the LGD technology has recently been published in the June 2018 Hydro Review magazine (pg- 70-77). It includes results from a variety of species including  sturgeon and American eels.