EXHIBIT 23
Consent of Independent Registered Public Accounting Firm
Telkonet, Inc.
Waukesha, Wisconsin
We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-161909 and 333-175737) of Telkonet, Inc. of our report dated April 2, 2018, relating to the consolidated financial statements, which appear in this Form 10-K.
/s/ BDO USA, LLP
Milwaukee, Wisconsin
April 2, 2018