Stem Secures 100 MWh of Utility‑Scale Storage Projects in Germany, Expanding European Footprint

STEM
March 04, 2026

Stem, Inc. announced that its PowerTrack™ Energy Management System (EMS) has been selected for two utility‑scale battery energy storage system projects in Germany. The partnership with developer and EPC Everyray GmbH will deliver a 90 MWh installation at the Kölsa site and a 10 MWh installation at Elsterwerda, both owned and financed by UESA Group. Commercial operations are slated to begin in summer 2026.

The 100 MWh of new capacity represents a significant expansion of Stem’s presence in the German market and reinforces the PowerTrack EMS as the control platform for sophisticated, utility‑scale storage deployments across Europe. The system is certified under VDE‑AR‑N 4110, 4120, and 4130 standards, underscoring its readiness for high‑voltage, grid‑connected applications.

This announcement comes as Stem continues its strategic pivot from a hardware‑centric battery business to a software‑centric, AI‑enabled platform that delivers high‑margin recurring revenue. The PowerTrack suite, which includes advanced analytics, EMS, and SCADA, is central to that transformation, enabling customers to optimize performance and extend asset life while reducing operating costs.

Stem’s recent financial results show a decline in revenue and a net loss as the company invests in software development and market expansion. In Q3 2025, revenue fell to $38.24 million and EPS was –$2.84, reflecting the transition away from hardware sales. The new German projects add 100 MWh of capacity that will generate recurring software and services revenue, helping to offset the current revenue decline and support the company’s long‑term margin improvement plan.

The projects also position Stem against competitors such as Tesla, Enphase, and Fluence. While Fluence has recently achieved profitability, Stem’s focus on software and services gives it a different competitive advantage, allowing it to capture higher‑margin contracts and scale more rapidly in the European market.

“As their portfolio grows in scale and sophistication, PowerTrack provides the operational backbone that enables consistent performance, regulatory compliance, and long‑term asset value. We’re proud to support their continued expansion in the German market,” said Matt Tappin, President of Software at Stem.

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