<p>➀ The article compares energy generation costs per MWh across various sources, highlighting gas ($30-$75/MWh for existing plants, up to $110 with construction), coal ($70-$170), and nuclear ($140-$220); </p><p>➁ Renewable sources like onshore wind ($40-$86) and utility-scale solar ($78) are more cost-effective, while offshore wind ($70-$157) and nuclear projects like Vogtle 3-4 ($169-$228) face higher costs; </p><p>➂ Single-cycle gas plants remain expensive but critical for peak demand due to quick activation capabilities.</p>