Growth in renewable energy has occasionally led to excess power and negative pricing. Utilities are finding creative ways to help balance the system while lowering costs.
If you are looking for a good deal on energy in Arizona, here’s a hint: around lunchtime in the month of March, it’s usually free.
Arizona Public Service recently proposed a slate of efficiency and demand-side measures that include many of the usual suspects, along with new takes on traditional resources. The utility’s plan includes incentives for smart thermostats, electric vehicle charging infrastructure, energy storage and water heater timers — along with a new “reverse demand response” product that aims to balance system load with excess renewable generation.