Artificial intelligence’s booming growth is radically reshaping an already red-hot data center market, raising questions about whether these sites can be operated sustainably. Sites that leased wind and solar capacity jumped 50 percent year over year as of early 2023, to more than 40 gigawatts, capacity that continues to grow. Still, demand outpaces those investments. And the need for more processing power is backing up the interconnection queue and creating stopgap solutions.