Island sited renewables (wind and solar) are probably a better option than high power radar through free air. Two wind turbines are enough to displace half of the diesel fired generation. Just need more turbines, solar, and some batteries.

> The Provincial Growth Fund is putting $3.16 million towards building two wind turbines on Rakiura / Stewart Island

> Mr Parker said building an initial two wind turbines as part of the island's power generation network was the most economic and environmentally acceptable option.

> "It provides a renewable energy source. It is estimated to reduce diesel use on the island by half, which will enable the price of electricity to be stabilised."

https://www.rnz.co.nz/news/political/403869/renewable-energy...