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  "documentTitle": "NW Natural Holdings | Investor Conference Presentation Deck | 56 slides",
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  "presentationDate": "2021-03-01 00:00:00",
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  "notes": "The slide outlines four specific regulatory mechanisms: Decoupling, Weather Normalization, Purchased Gas Adjustment, and Environmental Cost Recovery.",
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      "text": "(1) To the extent the utility earns more than its authorized ROE in Oregon in a year, the utility is required to cover environmental expenses and interest on expenses greater than $10 million (plus interest from insurance proceeds) with those earnings that exceed its authorized ROE",
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