Regulatory / Orders on Tariff Filings

Docket No. RP26-812, Negotiated Rate Transactions – On April 30, 2026, Northern made a tariff filing to add, remove and update negotiated rate agreements to be effective May 1, 2026. On May 22, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective May 1, 2026, as proposed.

Docket No. RP26-826, Periodic Rate Adjustments for Fuel - On May 1, 2026, Northern made a tariff filing to establish the Market Area fuel percentage for the Winter Season of November 1, 2026, through March 31, 2027. On May 21, 2026, the Federal Energy Regulatory Commission accepted the revised tariff record to be effective November 1, 2026, as proposed.

Docket No. RP26-715, Negotiated Rate Transactions – On March 31, 2026, Northern made a tariff filing to remove, add and update negotiated rate agreements to be effective April 1, 2026. On April 23, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective April 1, 2026, as proposed.

Docket No. RP26-650, Negotiated Rate Transactions – On March 18, 2026, Northern made a tariff filing to update a negotiated rate agreement to be effective March 19, 2026. On April 13, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective March 19, 2026, as proposed.

Docket No. RP26-643, Negotiated Rate Transactions – On March 13, 2026, Northern made a tariff filing to update a negotiated rate agreement to be effective March 14, 2026. On April 1, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective March 14, 2026, as proposed.

Docket No. RP26-592, Negotiated Rate Transactions – On February 27, 2026, Northern made a tariff filing to add and remove negotiated rate agreements to be effective March 1, 2026. On March 18, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective March 1, 2026, as proposed.

Docket No. RP26-510, Negotiated Rate Transactions – On February 23, 2026, Northern made a tariff filing to add and remove negotiated rate agreements to be effective February 24, 2026. On March 12, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective February 24, 2026, as proposed.

Docket No. RP26-503, Negotiated Rate Transactions – On February 20, 2026, Northern made a tariff filing to remove and add negotiated rate agreements to be effective February 21, 2026. On March 10, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective February 21, 2026, as proposed.

Docket No. RP26-487, Negotiated Rate Transactions – On February 13, 2026, Northern made a tariff filing to add and remove negotiated rate agreements to be effective February 14, 2026. On March 6, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective February 14, 2026, as proposed.

Docket No. RP26-494, Negotiated Rate Transactions – On February 19, 2026, Northern made a tariff filing to add negotiated rate agreements to be effective February 20, 2026. On March 5, 2026, the Commission issued a letter order accepting the negotiated rate transaction to be effective February 20, 2026, as proposed.

Docket No. RP26-484, Negotiated Rate Transactions – On February 12, 2026, Northern made a tariff filing to add negotiated rate agreements to be effective February 13, 2026. On March 4, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective February 13, 2026, as proposed.

Docket No. RP26-490, Negotiated Rate Transactions – On February 17, 2026, Northern made a tariff filing to add a negotiated rate agreement to be effective February 18, 2026. On March 4, 2026, the Commission issued a letter order accepting the negotiated rate transaction to be effective February 18, 2026, as proposed.

Docket No. RP26-476, Negotiated Rate Transactions – On February 9, 2026, Northern made a tariff filing to add and remove negotiated rate agreements to be effective February 10, 2026. On March 2, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective February 10, 2026, as proposed.

Docket No. RP26-480, Negotiated Rate Transactions – On February 11, 2026, Northern made a tariff filing to add negotiated rate agreements to be effective February 12, 2026. On February 26, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective February 12, 2026, as proposed.

Docket No. RP26-479, Negotiated Rate Transactions – On February 10, 2026, Northern made a tariff filing to add negotiated rate agreements to be effective February 11, 2026. On February 25, 2026, the Commission issued a letter order accepting the negotiated rate transactions to be effective February 11, 2026, as proposed.