"If not removed immediately, the (ISO) price cap will sow confusion in the market, threaten reliability and stifle new investment in generating capacity,'' read one letter written by Duke Energy Vice President William Hall III.

"Results": [
    {
        "TypeName": "ORG",
        "Text": "ISO",
        "Start": 34,
        "End": 37
    },
    {
        "TypeName": "ORG",
        "Text": "Duke Energy",
        "Start": 183,
        "End": 194
    },
    {
        "TypeName": "PER",
        "Text": "William Hall III",
        "Start": 210,
        "End": 226
    }
]