Renewables Add, Not Replace

Solar and wind energy are becoming increasingly affordable, often outpacing fossil fuels. However, their integration into the energy system does not eliminate the need for traditional fossil fuel plants. Solar and wind rely on backup from coal and gas plants due to their intermittent nature, which contributes to higher overall electricity costs. This highlights that while renewables lower direct costs, they necessitate continued investment in reliable electricity sources and infrastructure, ultimately increasing the system's total expense.