{"instance":[{"timestamp":"2026-09-10 05:58:00","AECI":"52","LGEE":"48","MHEB":"-1587","MISO":"-6058","ONT":"-964","PJM":"-3459","SOCO":"165","SPA":"-4","SWPP":"-512","TVA":"104"}],"RefId":"10-Sep-2026 - Interval 05:58 EST","MktDay":null}