Click on the following links for the latest in IEA Hydro's activities, hydropower news & hydro happenings, world-wide.

April 4 - 6, 2011 in Washington, D.C., at the 2011 National Hydropower Association Annual Conference,

http://www.nationalhydroconference.com/index.html

Hydrovision International will be held in Louisville, Kentucky 17-20 July, 2012. For more information...

International Journal on Hydropower & Dams will host the HYDRO 2012 International Conference and Exhibition in Bilbao, Spain, 29-31 October, 2012. Call for papers and information brochure....

The India Institute of Technology, Roorkee, India, offers an International Training Programme on Rural Electrification With Small Hydropower. 6 -17 March, 2012; 21 May - 2 June, 2012 and 20 May - 1 June, 2013 only for participants from African Countries. See brochure for more details ...

The Roorkee Institute is also offering a Masters of Technology programme in Alternate Hydro Energy Systems. For criteria of entry & prospectus ...

The International Centre for Hydropower (ICH), Trondheim, Norway, has announced courses for 2012. See the ICH website for details ...

International Water Power & Dam Construction now has a free, fully searchable database of articles and news stories 1998 -present.

How much energy can you gain from a given amount of water falling at a certain height?

The basic elements required for a potential hydropower development are streamflow and an available drop, or "head", through which the streamflow can be used to convert the potential hydraulic energy into electrical energy. The power generated is represented by the equation:

P = eHQg

where:

P = Electric Power Output in kilowatts (kW)

e = Efficiency range 0.75 to 0.88 (75% to 88%)

H = Head, in metres (m)

Q = Design flow, in cubic metres/sec (m3/s)

g = acceleration of gravity, normally 9.81 m/s/s

For small-scale hydroelectric applications, if an Efficiency value of 81% is assumed, the following equation can be used:

P (kW) = 7.95 x H (m) x Q (m3/s)

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