Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - NORTHWEST NATURAL GAS COFinancial_Report.xls
EX-21 - EXHIBIT 21 SUBSIDIARIES OF NW NATURAL GAS COMPANY - NORTHWEST NATURAL GAS COex212014.htm
EX-4.N - EXHIBIT 4.N FIRST AMENDMENT TO CREDIT AGREEMENT - NORTHWEST NATURAL GAS COex4n2014.htm
EX-10.W - EXHIBIT 10.W LTIP AWARD AGREEMENT 2015-2017 - NORTHWEST NATURAL GAS COex102014.htm
EX-31.2 - EXHIBIT 31.2 CFO CERTIFICATION - NORTHWEST NATURAL GAS COex3122014.htm
EX-32.1 - EXHIBIT 32.1 SOX CERTIFICATION - NORTHWEST NATURAL GAS COex3212014.htm
EX-31.1 - EXHIBIT 31.1 CEO CERTIFICATION - NORTHWEST NATURAL GAS COex3112014.htm
10-K - FORM 10-K - NORTHWEST NATURAL GAS COform10-k2014.htm
EX-4.M - EXHIBIT 4.M FORM OF LETTER AGREEMENT - NORTHWEST NATURAL GAS COex4m2014.htm
EX-12 - EXHIBIT 12 RATIO OF EARNINGS TO FIXED CHARGES - NORTHWEST NATURAL GAS COex122014.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, 2015 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, 2015