Arizona is noting wind isn't the cheapest way for it to hit a renewable energy requirement. I don't have much use for the mandates to begin with, but this is notable because hitting the numbers in the mandates is what has driven the wind industry.
"Only months after Coconino County's first major wind energy farm got up and running this winter, the utility buying its power says more wind farms here are unlikely -- at least for now.The entire article can be read at the Arizona Daily Sun site
Cost is the bottom line, with the sun beating the wind on both equipment prices and time-of-day power production.
This disadvantage for wind could have some implications for a handful of other big wind projects proposed in Coconino County.
A worldwide glut of solar panels produced at lower costs (including from China) has cut solar panel prices to a fraction of their former cost.
So Arizona Public Service is likely to turn to solar in the coming years to meet a state mandate that it generate 15 percent of its energy from renewables by 2025. APS gets about 5 percent of its electricity from renewable sources today.
"Right now, it looks like solar -- photovoltaic -- is the lowest-cost resource," said Gordon Samuel, who plans future energy supplies at APS.
Also, the wind here doesn't produce enough power when APS and Phoenix need it most: on hot summer afternoons."
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