Second Wind technology gains ground in South African wind market

Somerville, Mass., January 18, 2011 — Just six months after entering the South African wind power market, Second Wind has sold eight Triton sonic wind profilers and partnered with WISE-Wind Information Sentinel, a global wind data services provider, to support anticipated demand for Second Wind’s remote sensing technology.

Second Wind delivered and installed its first Tritons in South Africa in June 2010. Since then, the Boston-based company has taken orders for five more Tritons, including several repeat orders from international wind power developer Windlab, which has a development pipeline of just over 2,000 MW in South Africa.

As remote sensing systems are often deployed at faraway locations, a key performance standard is system reliability. The South African Triton implementations have been highly successful, with better than 99.7 percent uptime.

South Africa’s wind resources are estimated by South African Wind Energy Association to exceed 30 GW. The country has a relatively modest 10 MW of installed wind capacity today, but the government has a target of generating 10,000 GWh of power from renewable energy source by 2013 (700 MW of which will come from wind).

Several of the world’s leading wind turbine OEMs, project developers and service providers have already established a presence in South Africa.

To support current and future customers, Second Wind has partnered with Wind Information Sentinel, a Triton Certified Partner that also provides support for Second Wind products in Australia and New Zealand.

WISE will provide certified local resources (including Cape Town–based meteorological instrument supplier AfriWeather and leading wind consultant Wind Prospect) to install, redeploy and field service Tritons in South Africa.

WISE and AfriWeather will also provide installation and maintenance support services on a number of the Triton units being installed in South Africa in early 2011.

Triton is an advanced remote sensing system that uses sodar (sound detection and ranging) technology to measure wind at higher heights than the previous tower-based standard. By measuring wind speeds at the turbine rotor’s hub height and beyond, up to 200 meters, Triton reduces uncertainty in annual energy production forecasts.

Triton’s ease of deployment also streamlines the wind farm development process. Wind energy companies use Triton to study wind conditions at proposed wind farm locations and for operating wind farms.


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