{"instance":[{"timestamp":"2026-04-15 10:58:00","AECI":"-186","LGEE":"100","MHEB":"-1393","MISO":"-3844","ONT":"-767","PJM":"-1679","SOCO":"100","SPA":"0","SWPP":"-249","TVA":"135"}],"RefId":"15-Apr-2026 - Interval 10:58 EST","MktDay":null}