The podcast episodes provided cover various aspects of electricity generation, including the role of hydroelectric power, the transition to renewable energy, and the historical rivalry between different electricity technologies.

Episode "How will Canada manage major energy demands in the next decade?" discusses the importance of hydroelectric power in Canada's energy infrastructure and the challenges of maintaining aging hydroelectric dams.

Episode "Why Capitalism Won't Save the Planet (w/ Brett Christophers)" examines the market dynamics and investment decisions that have slowed the growth of renewable energy despite its lower cost compared to fossil fuels.

Episode "The War of the Currents (Encore)" explores the historical battle between direct current (DC) and alternating current (AC) technologies, which shaped the development of the modern electricity grid.

Episode "The Hydrogen Rainbow" discusses the potential of using hydrogen as a fuel for electricity generation and long-duration energy storage as part of the energy transition.

Episode "Crossover Episode: Energy Demand Makes a Comeback" analyzes the shifts in energy demand and emissions during the COVID-19 pandemic and the challenges of decarbonizing the economy.