Minnesota has enacted a renewable energy policy that focuses on wind energy. Unfortunately, building wind turbines and transmission lines to satisfy the state’s mandate has been enormously expensive. Moreover, Minnesota’s enormous investment in wind energy has failed to make a dent in reducing the state’s carbon dioxide emissions—its stated purpose. What it has done is drive up the cost of electricity for all Minnesotans.
Here are some basic facts from the report by Steven F. Hayward and Peter J. Nelson titled, “Energy Policy in Minnesota: The High Cost of Failure.” The report is illustrated with numerous charts and graphs.
* Minnesota has adopted a renewable energy standard that requires utilities to obtain 25% to 30% of their electricity from renewable sources. In Minnesota, that essentially means wind.
* Minnesota has also adopted a goal of reducing the state’s CO2 emissions by 80% by 2050. That goal cannot possibly be met.
* To date, approximately $10.6 billion has been spent on wind farms to supply energy to the state’s utilities, and another $4 billion on transmission lines.
* Historically, electricity in Minnesota was consistently cheaper than the national average, by 18%-20%. As these enormous investments have been made in wind energy, that advantage has been lost. 2017 was the first year ever in which electricity in Minnesota was more expensive than the national average.
* Minnesotans are now paying over $1 billion a year more for electricity per year than if the state had maintained its historic price advantage.
* Minnesota has not developed wind farms in order to meet increased demand for electricity.
* Consumption of electricity has been flat, and the state already had enough power capacity through its coal, natural gas and nuclear plants. Wind power has been an added-on cost above and beyond those existing facilities.
* $15 billion spent on wind energy has done little to reduce Minnesota’s CO2 emissions, which for the state as a whole are virtually the same as they were 20 years ago.
* Even emissions from the power generation sector are down only slightly compared with their 2005 peak.
* Wind power will never replace conventional sources of electricity (coal, natural gas and nuclear) because it is intermittent and unreliable. Wind turbines only generate electricity when the wind blows, so Minnesota needs enough reliable electricity sources to meet peak demand, no matter how many wind farms are constructed.
* Electricity cannot be stored at scale and must be consumed as it is produced. Wind energy is particularly low-value since it provides the most electricity when it is least needed: in the spring and fall, and at night. At times, wind farms actually pay utilities to take their electricity because there is no demand for it. Wind farms can make money doing this on account of federal subsidies.
* While the supposed environmental benefit of wind energy—reduction in CO2 emissions—turns out to be illusory, its environmental costs are very real: it needs vastly greater land area than conventional power plants; wind turbines are unsightly and noisy; being located far from where most electricity is consumed, they require many miles of transmission lines; and they kill large numbers of birds and bats.
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