If we can't tell the sun to shine or the wind to blow, it's hard for the utility to provide safe and reliable power to the customers when they don't have as much ability to control it. If we reduce our reliance on diesel fuel, which is a proven technology that can be dispatched and that is easy to control, we just have to supplement that with additional resources and capabilities to provide those ancillary services for a safe integration.
There's also the economic aspect of it, which impacts the business case and how much ratepayers pay for their electricity. On the environmental aspect, I'm of the opinion that you can't extract energy from an ecosystem without affecting that ecosystem. It's just a matter of different resources having different impacts on the environment.
Then finally—