Sweetwater 4

Sweetwater 4 wind farm commenced operation in May 2007 and has a total installed capacity of 240.8MW and an average long term energy production of 835.7 GWh per annum. Located in Texas, US, Sweetwater 4 consists of a total of 181 wind turbines, 135 Mitsubishi MWT 1,000A turbines with a rating of 1MW and 46 Siemens SWT 2.3 turbines with a rating of 2.3MW.

Sweetwater 4

Funding

Available debt facilities under existing global corporate facility and cash on hand

Revenue

assurance

All electricity is sold under a PPA with a term of 20 years

Customers

CPS Energy – City of San Antonio

Operation

Services and Maintenance agreement with Mitsubishi Power Systems for a period of 5 years and Siemens for a period of 2 years

Land

30 year land lease

BBW's

percentage

ownership

BBW would acquire 53% of the Class B Membership interests

Regulatory

regime

USA Production Tax Credits under the Energy Policy Act (2005)