Our Low-Carbon Pathway
PROGRESSIVE REGULATION
OREGON
KEY DEFERRALS:
COVID
✓
ERP System Upgrade
TSA Cybersecurity1
✓
KEY MECHANISMS:
Decoupling/WARM
Purchased Gas Adjustment
Environmental Cost
Incentive Sharing²
RATE CASE TEST YEAR
CURRENT RATE STRUCTURES:
Forward
WASHINGTON
Multiyear³
1
ROE
9.4%
Not determined
ROR
6.965%
6.814%
Equity Ratio
50%
Not determined
2021 Rate Base4
$1.6B
$0.2B
17
23
Request filed in Oregon and Washington. Recovery for Oregon
portion is part of the Oregon general rate case settlement filed in
May 2022
In Oregon, NW Natural shares PGA gains and losses
In 2019, SB 5116 was passed granting the WUTC authority to
incorporate costs and capital up to 48 months after the rate
effective date. In 2021, SB 5295 was passed requiring multiyear
general rate plans that include performance-based measures.
4 Rate base is a 13-month average ending 12/31/21. Oregon rate
base includes gas reserves and North Mist gas storage facility
NW NaturalⓇView entire presentation