NW Natural unit SiEnergy strikes Texas rate case settlement for $8.6 million annual revenue hike

NW Natural’s SiEnergy reached a settlement in its Texas general rate case, pending Railroad Commission of Texas sign-off.

• The deal sets an annual revenue requirement increase of $8.6 million, versus the $12 million originally sought.
• The settlement assumes a $343 million rate base, up $177 million from the 2023 rate case.
• Proposed capital structure: 59.75% equity and 40.25% long-term debt.
• The proposed return on equity is 9.8%, with an overall cost of capital of 8%.
• New rates are expected to take effect in November 2026 if regulators approve the settlement.