Exhibit

We consent to the incorporation by reference in the Registration Statements on Form S‑3 (File No. 333‑220387) and Form S‑8 (File Nos. 333‑51702, 333‑88554, 333‑117494, 333‑195795, and 333‑221672) of Connecticut Water Service, Inc. of our report dated March 15, 2018, relating to the consolidated financial statements , the financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.