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Building a new wind farm is getting cheaper and cheaper, according to an annual study that documents the cost of new power generation.

New wind power costs between $30 and $60 dollars per megawatt hour, not counting a federal tax subsidy. It’s cheaper than solar, gas and coal. Add in the federal helping hand and the cost of new wind falls to between $14 and $52, according to the most recent Levelized Cost of Energy Analysis, an annual report of what different energy sources cost to develop from Lazard, a financial firm.

And Wyoming is on the cheap end of the range, said Robert Godby, director of the Center for Energy Economics and Public Policy at the University of Wyoming.

The quality of the wind has a big impact on that cost, and Wyoming wind is that good, he said.

Places where the wind doesn’t blow as often or as hard as Casper and Rawlins won’t reap that low cost over the lifetime of the wind farm, or beat out the next cheapest generations source, he said.

So what does this mean in Wyoming? Well, it explains why the wind industry is booming and one of the reasons power producers keep investing in turbines in the Cowboy State.