Attached files

file filename
10-K - 10-K - UNITIL CORPd67774d10k.htm
EX-99.1 - EX-99.1 - UNITIL CORPd67774dex991.htm
EX-32.1 - EX-32.1 - UNITIL CORPd67774dex321.htm
EX-31.3 - EX-31.3 - UNITIL CORPd67774dex313.htm
EX-31.2 - EX-31.2 - UNITIL CORPd67774dex312.htm
EX-31.1 - EX-31.1 - UNITIL CORPd67774dex311.htm
EX-21.1 - EX-21.1 - UNITIL CORPd67774dex211.htm
EX-11.1 - EX-11.1 - UNITIL CORPd67774dex111.htm
EX-10.24 - EX-10.24 - UNITIL CORPd67774dex1024.htm
EX-10.20 - EX-10.20 - UNITIL CORPd67774dex1020.htm
EX-4.51 - EX-4.51 - UNITIL CORPd67774dex451.htm
EX-4.50 - EX-4.50 - UNITIL CORPd67774dex450.htm
EX-4.49 - EX-4.49 - UNITIL CORPd67774dex449.htm
EX-4.48 - EX-4.48 - UNITIL CORPd67774dex448.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-168394 on Form S-3 and Nos. 333-234391 and 333-184849 on Form S-8 of our report dated February 2, 2021, relating to the consolidated financial statements of Unitil Corporation and subsidiaries and the effectiveness of Unitil Corporation and subsidiaries’ internal control over financial reporting appearing in this Annual Report on Form 10-K of Unitil Corporation for the year ended December 31, 2020.

/s/ Deloitte and Touche LLP

Boston, Massachusetts

February 2, 2021