Solar Farms

Sunlight Power

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Wind Turbines

Wind Power

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Turbines along a canal dyke, from the air

Community Energy

Grid Scale

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New & Sufficient

The Best Way To Create Energy

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Solar Farms Built38
Wind Turbines Fitted112

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A turbine needs a mean wind of about 5.5 m/s at hub height to pay; we measure for three months first.

The Alternatives

The Most Used Energy Systems

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Solar Farms8.1 MWp largest
Wind3,000 kW largest
Commercial Roofs484 kWp largest

An offshore wind field in black and white

Greener Energy

We Hope You Share Our Vision

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Bristol

18 Harbourside Works, BS1 5LL

+44 117 496 0321

Cardiff

4 Dock Chambers, CF10 5AL

+44 29 2018 0245

Power Curve

The Wind Picks Up, The Output Climbs

Three 50 kW turbines. As the band travels the wind rises from 3 to 12 m/s: the rotors speed up and the output follows the turbine's real power curve, until it reaches its rated power.

Wind3.0 m/s

Each Turbine0.0 kW

Rotor0 rpm

Homes Running0

4 m/s3.3 kW
7 m/s17.9 kW
10 m/s50 kW
12 m/s50 kW

Wind Yield

What Would A Turbine Make On Your Land?

Pick a turbine and your site's mean wind speed. The year's energy is worked out over the whole spread of wind speeds (a Rayleigh distribution) through the turbine's power curve.

Ask For A Wind Survey