FuturEnergy 1kW Wind Turbine Hot

FuturEnergy 1kW Wind Turbine

FuturEnergy's 1kW upwind turbine is based on two years development and testing in the uplands of Scotland and Warwickshire. The turbines are not suitable for mounting on buildings, but are designed for tower-top mounting. Guyed or free-standing towers are available, and the turbine sits on a standard scaffold pole - so you could come up with your own mounting solution too. There are different voltage versions suitable for battery charging or grid connection, although its worth noting that the 12V version is deliberately limited to a 600W output for safety reasons.

Wind turbines

Swept area

The FuturEnergy has a blade diameter of 1.80 metres. This means it has a swept area, or capture area of 2.54 square metres. This is all important when comparing wind turbines, since it directly relates to the amount of passing wind energy the turbine blades can intercept.

FuturEnergy power output curve

The graph below shows the power produced (in watts) for the FuturEnergy at different wind speeds, based on data supplied by the manufacturer.


The green line shows the actual output that the wind turbine achieves at the given wind speed, according to the manufacturers.The dashed line in the graph shows the theoretical maximum energy that this turbine could extract from the wind, according to Betz's Law (59.3%). At a typical wind speed of 5 m/s, the FuturEnergy is extracting 107 Watts of power from the wind, which is an efficiency of 54.7%.

If you want to install a wind turbine, it is very important to measure how much energy you might produce.
Learn more about the Power Predictor


How efficient is the FuturEnergy?

Wind turbines can only convert some of the energy in the wind into electricity. The graph here shows how efficient the turbine is across the range of wind speeds you might get.

The orange line in the above graph shows the efficiency ranging from 0 to 1. The grey line is the previously mentioned maximum efficiency - The Betz Limit. If this limit is exceeded, the manufacturer's claims are not to be trusted!

While these graphs give an indication of the instantaneous power and efficiencies you might expect from the FuturEnergy turbine, working out annual power production is more complex.

Read more about the Power Predictor


The FuturEnergy wind turbine in action

Decent length video showing a tower-mounted FuturEnergy 600W turbine on a battery charging set mounted on some lattice towers,

video credit: esperdahlsgaard

Power output
The cut in speed is about 3m/s.
Cost
£875.96 including VAT, plus £31.81 postage but this doesn't include the costs of the tower, or the installation, which will be extra. You'll also need to allow a few hundred pounds for the batteries, charging equipment, wires and other bits and bobs.
Our view
This seems like a great value deal, providing you are either able to do the DIY stuff, or find someone that can. It doesn't qualify for grant funding, but the idea is that the low price should stand on its own two feet without the grant assistance.
Blade diameter
1.80 metres
Rated output (W)
1000
Warranty
The turbine comes with a two year guarantee against defective workmanship. This doesn't cover you if you damage it yourself by doing something daft.
Voltages
12 Volt • 24 Volt • 48 Volt
Manufacturer
FuturEnergy Ltd
Country of origin
UK
Generator type
Permanent magnet
Governing wind speed (m/s)
14
Governing system
Side furling
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Comments (7)Add Comment
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written by Cannon Electrical, March 04, 2011
Last year I went on holiday to Great Yarmouth and was a bit surprised to see the wind turbines out in the middle of the ocean. After seeing them many times over the next week, they actually did not look to bad and something you get used to quite quickly. It's clean energy and something we should definitely use to our advantage if we can.
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written by Better Generation, September 01, 2009
Hi Martin,
The data you see in the screenshot is taken from a Power Predictor user in Orkney. As you can see during the month they collected data their wind hit speeds over 10m/s, hence the high annual kWh prediction.
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written by Martin Eastwood, August 29, 2009
I have had a Futurenergy turbine for over a year. Initially I had problems that I solved myself. Including improving the control system. In my first full year I generated 802kWhrs which was just under a quarter of my electricity consumption. As I live on the cliff edge of the north end of the Isle of Mull indirect line with Tiree reported to be one of the windiest places in the UK. I feel your predicted figure of 2739kWhrs a bit ambitious. I would love to have a similar figure. Inspite of this I am happy enough with my results to buy a damaged turbine and rebuild it to add to installation.
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written by better generation, August 28, 2009
Hi John - whilst it theoretically be fixed to buildings (and there are lots of examples of this around), in our experience you can never completely attenuate the vibration and noise issue. You might find our http://www.bettergeneration.co...-boat.html of interest, since it covers some partially successful attempts to do this.
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written by John Fawke , August 27, 2009
Why cannot this generator be fixed to a building,surely its a simple matter of attenuating any vibrations ?
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written by Better Generation, June 29, 2009
The stated voltage (eg 12V) corresponds to the intended battery bank voltage, or inverter input voltage. With a turbine connected across a battery bank you will observe the bank voltage surging up a little as the wind blows, but the battery 'ties' the voltage down and charging begins.
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written by Gerard Vaughan, June 26, 2009
What is meant by "12volt" "24 volt" etc. "turbines" ? Does it refer to the nominal voltage of the battery which we assume that the generator which it turns, charges ?
What allowance is made for the voltage from the device varying with the wind, whilst the battery voltage remains, more or less, constant ?

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