San Carlos Resources, Inc. is a wholly-owned subsidiary of Tucson Electric Power Company (TEP), an energy provider based in Tucson, Arizona. The company's primary function is holding the title to Unit No. 1 and Unit No. 2 of the Springerville Generating Station. It operates as a non-utility subsidiary within TEP's corporate structure, focusing on asset ownership rather than direct operation of power facilities.
The company's operations are centered on its role as an asset holder within the power generation industry. While it holds title to power plant units, it is not the operator of these facilities. This structure positions San Carlos Resources, Inc. indirectly within the energy sector, supporting its parent company's broader power generation and distribution activities.
San Carlos Resources, Inc. is currently a defendant in its sole tracked patent litigation case, indicating its posture as an operating company defending against patent infringement allegations. The case, Midwest Energy Emissions Corp. et al. v. Tucson Electric Power Co. et al., was filed in the Arizona District Court.
The notable case against San Carlos Resources, Inc. involves allegations of patent infringement related to mercury emissions reduction technologies. The plaintiff, Midwest Energy Emissions Corp. (now Birchtech Corp.), initiated lawsuits against multiple coal-fired power utilities, including San Carlos Resources, Inc., claiming unlicensed use of its patented SEA® (Sorbent Enhancement Additive) Technologies.