Cirro Energy serves over 150,000 Texas customers through Smart Lock fixed-rate plans spanning 12 to 36 months, with green energy integrated into every offering. While the company’s customer service score (35/100) and billing clarity score (26/100) from Google reviews suggest some customers experience frustration in these areas, the solid overall star rating indicates many find value in Cirro’s simplified approach. Prospective customers should weigh the Fortune 500 stability against the above-average complaint volume when comparing options.