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** G004/GR-15-879 Great Plains Natural Gas Co.,
a Division of MDU Resources Group, Inc.
In the Matter of an Application by Great Plains Natural Gas Co., a Division of MDU Resources Group, Inc., for Authority to Increase Natural Gas Rates in Minnesota.
1. Should the Commission accept or reject Great Plains’ Year 1 annual revenue decoupling report for the period ended September 30, 2017, and approve or modify Great Plains’ revenue decoupling rate adjustments?
2. Should the Commission require different evaluation period dates and/or a different reporting compliance date? If so, what should the evaluation period dates and/or the reporting compliance dates be?
3. Should the Commission alter the “Designed Revenue” formula and its application, resulting in modified RDM adjustments?
4. Should the Commission require the inclusion of the new N82 customer’s sales in its test year in determining final rates?
5. Should the Commission require Great Plains’ use of different weather-normalized sales dates/methods? (PUC: Alonso; Hetherington)