Superior End-to-End Project Delivery

From initial design through commercial operation, Stem eliminates multi-vendor complexity and gets you to COD faster.

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Built to the Highest Standards

Stem’s Longmont, Colorado production facility handles 2,800+ site deployments annually — and every single one goes through the same certified, rigorous process.

Certified by Platinum Registration, Inc. for the assembly and testing of configured end-to-end distributed energy monitoring, management, and control solutions. Every enclosure is built under a standardized quality management system with documented procedures and consistent output.

Our industrial control panels are certified by Intertek, a global leader in testing and certification. This confirms compliance with nationally recognized safety standards and national and local electrical codes, and ensures every component is recognized and listed.

All core Stem hardware is selected for the highest demonstrated field reliability. We back it with a limited 5-year warranty.

Technical Capabilities Proven at Scale

Full Visibility From Day One

Centralized data collection from BESS, solar and battery PCS, meteorological stations, and balance of plant equipment, all accessible the same day your system goes live. Sub-second polling means nothing gets missed.

Precise Control Across Every Operating Mode

12 real and reactive control modes give your system the flexibility to meet any grid requirement. Day-ahead waypoint scheduling keeps state-of-charge management on plan.

Robust Communication Networks

Redundant network designs with support for all industry-standard protocols — DNP 3.0, Modbus TCP/IP, OPC-UA, IEC 61850, and IEC 60870 — so your system stays up and stays connected.

Regulatory Reporting That Runs Itself

Stem preconfigures automated submissions and compliance management across SGIP, CleanPeaks, and other regional programs. Standardized formatting and submission protocols work across every site and every market you operate in.

Why Stem

Single-vendor accountability: One team owns every phase. No coordination overhead, no gaps between contractors, no finger-pointing when something needs to get resolved.
Factory pre-configuration: Pre-built and pre-tested enclosures reduce field labor costs and eliminate schedule risk that comes from on-site troubleshooting.
Regional support hubs: Engineering hubs in Americas, EMEA, and APAC mean expert support is available in your time zone and your market.

Customer Outcomes Built Into Every Deployment

Accelerate Revenue: Our standardized delivery timeline gets you to commercial operation faster — so you start realizing returns sooner.
Reduce Project Costs: Factory pre-configuration and remote commissioning capabilities keep field labor expenses under control from the start
Protect Your Investment: Future-proof technology architecture is built to scale with your portfolio as your business grows.

See how Stem delivers projects from design through commercial operation.