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SiEnergy Reaches Settlement in Texas General Rate Case

$NWNPress releaseSep 23, 2026, 6:00 AM ETRead the release

NW Natural Holding's Texas subsidiary SiEnergy reached a settlement in its general rate case with RRC staff and served cities, filed Sept. 22 and pending RRC approval. The settlement provides an $8.6 million annual revenue requirement increase versus a $12.0 million original request, with a 59.75% equity ratio, 9.8% ROE, and 8.0% overall cost of capital on a $343 million rate base.

Key figures

Rate base
$343 million
Equity ratio
59.75%
Cost of capital
8.0%
Return on equity
9.8%
New rates effective
November 2026
Long term debt ratio
40.25%
Original revenue request
$12.0 million
Revenue requirement increase
$8.6 million
Rate base increase since 2023
$177 million

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