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Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-277397 on Form S-3, and Nos. 333-40356, 333-97571, 333-89966, 333-110703, 333-115987, 333-125461, 333-134749, 333-143048, 333-166601, 333-193970, 333-195633, 333-218086, 333-222480, 333-226020, and 333-279291 on Form S-8 of our reports dated February 17, 2026, relating to the financial statements of Itron, Inc. and the effectiveness of Itron, Inc.'s internal control over financial reporting appearing in this Annual Report on Form 10-K for the year ended December 31, 2025.

/s/ Deloitte & Touche LLP

Seattle, Washington

February 17, 2026