NORTHWEST NATURAL GAS CO - FORM 10-K - EX-23 - EXHIBIT 23 CONSENT OF AUDITORS - February 23, 2018

Attached files

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EX-10.Y - EXHIBIT 10.Y PERFORMANCE SHARE LONG TERM INCENTIVE AGREEMENT - NORTHWEST NATURAL GAS COex-10yx201710xk.htm
10-K - FORM 10-K - NORTHWEST NATURAL GAS COform10-k2017.htm
EX-32.1 - EXHIBIT 32.1 SOX CERTIFICATION - NORTHWEST NATURAL GAS COex-321x201710xk.htm
EX-31.2 - EXHIBIT 31.2 CFO CERTIFICATION - NORTHWEST NATURAL GAS COex-312x201710xk.htm
EX-31.1 - EXHIBIT 31.1 CEO CERTIFICATION - NORTHWEST NATURAL GAS COex-311x201710xk.htm
EX-21 - EXHIBIT 21 SUBSIDIARIES OF NW NATURAL GAS COMPANY - NORTHWEST NATURAL GAS COex-21x201710xk.htm
EX-12 - EXHIBIT 12 RATIO OF EARNINGS TO FIXED CHARGES - NORTHWEST NATURAL GAS COex-12x201710xk.htm
EX-10.SS - EXHIBIT 10.SS CASH RETENTION BONUS AGREEMENT - NORTHWEST NATURAL GAS COex-10ssx201710xk.htm
EX-10.RR - EXHIBIT 10.RR HIRE-ON BONUS AGREEMENT - NORTHWEST NATURAL GAS COex-10rrx201710xk.htm
EX-10.QQ - EXHIBIT 10.QQ SPECIAL RENTION RESTRICTED STOCK UNIT AWARD AGREEMENT - NORTHWEST NATURAL GAS COex-10qqx201710xk.htm
EX-10.BB - EXHIBIT 10.BB RESTRICTED STOCK UNIT AWARD AGREEMENT - NORTHWEST NATURAL GAS COex-10bbx201710xk.htm
EX-10.S - EXHIBIT 10.S LONG TERM INCENTIVE PLAN - NORTHWEST NATURAL GAS COex-10sx201710xk.htm
EX-10.P - EXHIBIT 10.P EXECUTIVE ANNUAL INCENTIVE PLAN - NORTHWEST NATURAL GAS COex-10px201710xk.htm


EXHIBIT 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S‑8 (Nos. 333-70218, 333-100885, 333-120955, 333-134973, 333-139819, 333-180350, 333-187005, 333-214425, and 333-221347) and Form S-3 (No. 333-214496) of Northwest Natural Gas Company of our report dated February 23, 2018 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.  

/s/ PricewaterhouseCoopers LLP

Portland, Oregon
February 23, 2018



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