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About
Stem is an enterprise-grade AI-driven energy management platform designed for asset owners, operators, and stakeholders in the clean energy sector. At the core of its offering is PowerTrack™, an industry-leading comprehensive software suite purpose-built for solar and energy storage assets. PowerTrack™ encompasses modules for Energy Management Systems (EMS), Power Plant Controllers (PPC), SCADA, data logging, and AI-powered optimization — formerly branded as Athena — enabling intelligent, real-time control and performance reporting across large-scale portfolios. Stem's Professional Services team draws on decades of solar and storage expertise to support clients from early-stage strategy and asset development through construction, performance engineering, and troubleshooting. Its Managed Services offering covers the full lifecycle — design, procurement, commissioning, operation, and optimization — of energy storage and hybrid systems, giving asset owners maximum reliability and financial returns. With assets under management spanning 200,000+ sites across more than 50 countries and a customer base of 16,000+, Stem has become the de facto standard for enterprise clean energy management. The platform converts complex raw data into actionable intelligence, helping organizations in the utility-scale solar, community solar, and distributed generation segments make smarter decisions and drive the energy transition forward.
Key Features
- PowerTrack™ Suite: An all-in-one software platform covering EMS, PPC, SCADA, data logging, and AI-powered optimization for solar and storage assets.
- AI-Powered Optimization: The PowerTrack™ Optimizer (formerly Athena) uses machine learning to maximize energy asset performance, reduce costs, and improve ROI.
- Remote Diagnostics & Monitoring: Real-time remote diagnostics and performance reporting across 200,000+ sites worldwide, with 99%+ system uptime through technical design.
- Managed Services: Full lifecycle management covering design, procurement, commissioning, operation, and ongoing optimization of energy storage and hybrid systems.
- Professional Services: Expert advisory and engineering support from early-stage strategy through asset development, construction, and long-term performance troubleshooting.
Use Cases
- Utility-scale solar and storage portfolio monitoring and performance optimization across hundreds of distributed sites.
- Community solar asset management, enabling operators to standardize reporting and diagnostics at scale.
- Full lifecycle managed services for energy storage systems, from design and procurement through commissioning and ongoing operation.
- Real-time SCADA and remote diagnostics for identifying and resolving underperforming assets across global energy portfolios.
- Early-stage clean energy project strategy, development planning, and engineering support through Stem's Professional Services team.
Pros
- Global Scale & Proven Track Record: Trusted by 16,000+ customers across 50+ countries for nearly 20 years, making it the industry standard for enterprise clean energy management.
- End-to-End Platform: Covers the entire asset lifecycle — from development and construction through operation and optimization — under one integrated software and services roof.
- AI-Driven Intelligence: Advanced AI optimization continuously maximizes financial and operational performance of solar and storage portfolios at scale.
Cons
- Enterprise-Focused Pricing: Designed for large-scale asset owners and operators; likely cost-prohibitive for small businesses or individual developers.
- Complex Onboarding: The breadth of the PowerTrack™ suite and services may require significant onboarding time and dedicated technical resources to fully leverage.
Frequently Asked Questions
What is PowerTrack™?
PowerTrack™ is Stem's flagship software suite for solar and energy storage assets. It includes modules for Energy Management Systems (EMS), Power Plant Controller (PPC), SCADA, data logging, and AI-powered optimization, providing end-to-end monitoring, control, and performance analytics.
Who is Stem designed for?
Stem is built for enterprise-level asset owners, operators, utilities, independent power producers, and stakeholders in the clean energy sector — particularly those managing large solar, storage, or hybrid energy portfolios.
How many countries does Stem operate in?
Stem manages assets across more than 50 countries worldwide, with over 200,000 sites under management and 16,000+ customers served globally.
What managed services does Stem offer?
Stem's Managed Services cover the full lifecycle of energy storage and hybrid systems, including design, procurement, commissioning, ongoing operation, and AI-powered optimization, helping owners maximize reliability, performance, and financial returns.
What is the PowerTrack™ Optimizer?
PowerTrack™ Optimizer (formerly known as Athena) is Stem's AI-powered optimization engine that intelligently dispatches energy storage assets to maximize value, reduce costs, and improve overall portfolio performance.
