Attached files

file filename
EX-32.1 - EXHIBIT 32.1 SOX CERTIFICATION - NORTHWEST NATURAL GAS COex3212016.htm
EX-31.2 - EXHIBIT 31.2 CFO CERTIFICATION - NORTHWEST NATURAL GAS COex3122016.htm
EX-31.1 - EXHIBIT 31.1 CEO CERTIFICATION - NORTHWEST NATURAL GAS COex3112016.htm
EX-21 - EXHIBIT 21 SUBSIDIARIES OF NW NATURAL GAS COMPANY - NORTHWEST NATURAL GAS COex212016.htm
EX-12 - EXHIBIT 12 RATIO OF EARNINGS TO FIXED CHARGES - NORTHWEST NATURAL GAS COex122016.htm
EX-10.PP - EXHIBIT 10.PP LTIP FOR NW NATURAL GAS STORAGE - NORTHWEST NATURAL GAS COa10ppltipfornwnaturalgasst.htm
EX-10.OO - EXHIBIT 10.OO ANNUAL INCENTIVE PLAN FOR NW NATURAL GAS STORAGE - NORTHWEST NATURAL GAS COa10ooannualincentiveplanfo.htm
EX-10.CC - EXHIBIT 10.CC AMENDMENT TO RSU AGREEMENT - NORTHWEST NATURAL GAS COa10ccamendmenttorsuagreeme.htm
EX-10.AA - EXHIBIT 10.AA FORM OF RSU AGREEMENT 2017 - NORTHWEST NATURAL GAS COrsuagreement2017.htm
EX-10.X - EXHIBIT 10.X FORM OF LTIP AWARD AGREEMENT 2017-2019 - NORTHWEST NATURAL GAS COa10xltipawardagreement2017.htm
EX-10.O - EXHIBIT 10.O EXECUTIVE ANNUAL INCENTIVE PLAN - NORTHWEST NATURAL GAS COa10oexecutiveannualincenti.htm
10-K - FORM 10-K - NORTHWEST NATURAL GAS COform10-k2016.htm


EXHIBIT 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S‑8 (Nos. 333-70218, 333-100885, 333-120955, 333-134973, 333-139819, 333-180350 and 333-187005) and in the Registration Statement on Form S-3 (No. 333-192641) of Northwest Natural Gas Company of our report dated February 27, 2017 relating to the consolidated 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 27, 2017