Excelsior Wind Energy Facility consist of 13 GW121/2500 wind turbines with a generation capacity of 32.5 MW. The facility is located 30 km South East of Swellendam in the Western Cape Province. 

BVi was appointed for the design and construction supervision of the balance of plant, which include the design of access and internal road networks, as well as the design of foundations for the wind turbines. 

The approximate total cost of the project is estimated at 1.5 billion Rand, while the balance of plant is estimated at 110 million Rand.