For power system operations: "Power System Stability and Control" by Prabha Kundur ( https://www.amazon.com/System-Stability-Control-Prabha-Kundu... ) It is the bible of modern power system operations, and it will become more and more important as more renewable energy comes online. Understanding the concepts presented in this book is the difference between "why haven't we hit 100% renewables yet?!" and "we need mark…
》as more renewable energy comes online. Maybe better name is "unstable" energy. Some types of renewables are stable (water dams, geothermal).
All generation is unstable, just in different ways, so I don't think it is a useful descriptor.