The drive for utilities to own renewable energy is all about economics. Coal plants are no longer profitable to build and are being shut down by the hundreds, while wind and solar are now the low-cost energy providers. That makes the decision to buy more renewable energy in the future an easy one for utilities.

Read more about Berkshire Hathaway’s MidAmerican Energy Utilities plan for 100% renewable generation.

Read more about why Duke Energy Florida decided to pull funds from nuclear and invest into solar.