Stem vs NiSource
Side-by-side comparison of AI visibility scores, market position, and capabilities
Clean energy storage company with 1,000 MW+ under management; Athena AI optimizes battery dispatch for commercial demand charge reduction competing with Tesla Powerpack and Fluence.
About
Stem is a clean energy storage and AI energy management platform that installs commercial and industrial battery storage systems and manages them with Athena, its AI-powered energy optimization software — enabling businesses, utilities, and renewable energy developers to reduce electricity costs through demand charge management, energy arbitrage, and participation in grid services markets. Listed on NYSE (NYSE: STEM) and headquartered in San Francisco, California, Stem generates approximately $200 million in annual revenue and has deployed over 1,000 MW of battery storage assets under management.\n\nStem's AI software platform Athena continuously monitors electricity prices, grid signals, and demand patterns to optimize when battery systems charge (typically during low-price periods or from solar generation) and discharge (during peak demand hours or when grid prices are high). For commercial and industrial customers, Athena minimizes demand charges (the component of utility bills based on peak power consumption) — a significant cost reduction opportunity for manufacturers, hospitals, and commercial real estate operators. For front-of-the-meter solar+storage projects, Athena optimizes dispatch for merchant electricity revenue.\n\nIn 2025, Stem competes in the commercial and industrial energy storage market against Fluence (Siemens-AES joint venture), Tesla Powerpack, Powin, and utility-side storage developers. The market has grown with IRA incentives making battery storage economics more attractive and with energy costs driving commercial interest in demand charge reduction. Stem faces competition from Tesla's integrated solar+storage offerings and from utilities' own storage programs. The 2025 strategy focuses on growing the Athena software-only model (managing third-party batteries not manufactured by Stem), expanding in the utility-scale solar+storage market, and growing internationally in Europe and Asia.
Merrillville IN regulated utility (NYSE: NI) at $5.5B 2024 revenue; $19.4B 2025-2029 capex plan for 8-10% rate base growth with Columbia Gas/NIPSCO brands and net-zero 2040 target competing with Atmos Energy for gas utility.
About
NiSource Inc. is a Merrillville, Indiana-based fully regulated utility company — publicly traded on the New York Stock Exchange (NYSE: NI) as an S&P 500 component — serving approximately 3.3 million natural gas customers and 500,000 electric customers across six states (Indiana, Kentucky, Maryland, Ohio, Pennsylvania, and Virginia) through its Columbia Gas brands and the NIPSCO (Northern Indiana Public Service Company) electric utility. NiSource employs approximately 7,700 people and operates through nearly 60,000 miles of natural gas pipeline and distribution infrastructure. In fiscal year 2024, NiSource reported operating revenues of $5.5 billion and net income of $739.7 million ($1.62 EPS), up from $661.7 million in 2023. NiSource provided 2025 non-GAAP adjusted EPS guidance of $1.85-$1.89 and announced an increased $19.4 billion capital expenditure plan for 2025-2029 targeting 8-10% rate base growth and 6-8% EPS annual growth. NiSource is committed to a net-zero emissions target by 2040, has reduced greenhouse gas emissions by approximately 72% from 2005 levels, and is on track to retire 100% of its coal assets by 2028, replacing them with utility-scale solar and renewable energy.
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