Ely, Nevada - Good news and bad news for wind power. On the one hand, new wind farms are super cheap to build, which helps fight climate change. On the other, producers of wind turbines don't want to make the already cheap wind power any cheaper.

Leading wind turbine producers like Siemens and Vestas say that the dropping price of wind power is too cheap, cutting into the companies' profit margins.

Siemens, for example, already changed its earnings projections to show that it is getting hit hard by the big price drop in wind power.

Wind turbines are one of the cornerstones of the green energy transition, and even though the drop in price is apparently bad news for producers, it's a success story for making renewable energy competitive.

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This success comes from the massive burst of investing and subsidies for green energy over the past decade.

According to leading energy think tank Lazard, installing renewables is now about as expensive as natural gas plants, and is even cheaper than running existing coal plants.

In order to protect their bottom line, Siemens and other wind turbine producers told Reuters they think that the price drops to wind power has "gone too far", because they see the cheap price of wind energy will stop them from making a profit.

The shortage in key materials like steel, which is a big ingredient for making wind turbines, is adding to the wind turbine makers' money troubles.

Cheap renewable energy was the goal, but now companies like Siemens might throttle the price drops to protect their bottom line.