The proposed wind farm on land to the NE of the village of Hempnall would comprise seven turbines each having a maximum output of 3MW. The proposed site layout is shown below. The turbines would generate electricity that would be fed into the national grid via underground cables. Vehicle access routes will be provided between the turbines for construction and maintenance, these will follow current tracks and field boundaries where possible.
Each turbine will be a maximum of 85m high to the hub and the rotors will be a maximum of 90m diameter. The diameter of the tower at the base will be approximately 4m. The final arrangement for the foundation will be confirmed once the turbine manufacture is determined. The land around the turbine will be flat as the foundation would be buried. Once construction is complete, the land can continue to be farmed right up to the turbine tower.
The planning application will describe the turbines in a generic form. The reason for this is that the technology is constantly moving forward and at the time of placing the contract for the turbines Enertrag would want to take advantage of the turbine that best suits the site. The various energy production and greenhouse gas savings are detailed below for a typical seven turbine wind farm:-
Installed capacity
per turbine |
Total annual wind farm output (MW/hr) |
Equivalent No. households (consumption) |
CO 2 Saving (Tonne/Yr) |
SO 2 Saving (Tonne/Yr) |
NO X Saving (Tonne/Yr) |
| |
|
|
|
|
|
2MW |
36,792 |
7,800 |
31,641 |
367 |
110 |
2.5MW |
45,990 |
9,750 |
39,551 |
458 |
137 |
3MW |
55,188 |
11,700 |
47,461 |
551 |
165 |
These figures are based on:-
30% load factor.
CO2 emission saving of 860g/kWh
SO2 emission saving of 10g/kWh
NO x emission saving of 3g/kWh
and average annual household electricity consumption of 4.7MWh
A brochure containing a map and further information on the proposal is available for download at the top of this page and also here and a copy of the scoping request is also available here.
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