Our utility-scale energy storage seamlessly integrates with critical energy systems, driving revenue with optimised assets and delivering proven reliability, flexibility, and safety.
The pumping capacity at the new Deer Island plant has dramatically increased the volume of wastewater that can be taken into the plant from the conveyance tunnels. This reduces back-ups and overflows
Stem has significant experience deploying smart storage for water treatment facilities, with over 85 MWh of projects under contract or management by Athena™ in this specific sector.
Discover innovative wastewater treatment solutions for Massachusetts plants, optimizing efficiency and sustainability for a cleaner environment.
Discover our high-efficiency, modular battery systems with zero capacity loss and rapid multi-cabinet response. Ideal for industrial, commercial, and emergency applications, our solutions offer remote
Stem, Inc. has been awarded a project mandate to provide energy storage solutions to the Massachusetts Water Resources Authority (MWRA) in Greater Boston, a public agency that
We specialize in designing and manufacturing high-performance energy storage systems, offering a wide range of battery cabinets and containerized solutions for commercial, industrial, renewable
Our analysis of 120 projects across North America reveals that systems below 8 MWh fail to meet ROI thresholds in 73% of commercial applications. The 10 MWh battery sweet spot
The new Technical Report #16 (TR-16) covers in detail the important elements of wastewater treatment that must be considered in the design of wastewater treatment works.
Empa Solar Energy Europe is a leading energy storage equipment manufacturer and integrator based in Poland, serving the European market. We specialize in C&I energy storage systems for factories and warehouses, industrial battery storage systems for heavy-duty applications, factory energy storage systems (ESS) to optimize production, commercial battery energy storage systems (BESS) for retail and offices, enterprise storage solutions for corporate campuses, industrial park energy storage for multi-tenant sites, commercial battery storage for peak shaving, industrial battery storage systems for backup power, and remote base station power solutions for telecom towers. Our portfolio also includes lithium-ion batteries, system-level battery management systems (BMS), energy conversion systems (PCS), energy storage battery system cabinets, communication cabinets for telecom and data centres, integrated PV-storage systems, distributed energy resources, deep discharge battery technology, and containerised BESS. As a full-service provider, we also offer modular battery racks, backup emergency power, and zero‑carbon microgrids. Our advanced lithium‑ion and sodium‑ion solutions ensure safety, scalability, and high performance for commercial, industrial, and utility projects across Europe.
Our modular energy storage portfolio ranges from compact lithium-ion batteries to 20ft/40ft mobile containers and outdoor all-in-one storage cabinets with IP54 protection. We are a leading energy storage equipment manufacturer, offering communication cabinets for 5G/telecom, server racks for data centers, and IP54 rated enclosures for harsh environments. Our stackable design allows flexible capacity expansion, while our grid-forming technology ensures stable off‑grid operation. Whether for remote base stations, off‑grid power systems, backup emergency power, integrated PV-storage or large zero‑carbon parks, our products feature advanced thermal management, deep discharge cycling, and compliance with European and international standards. We also provide professional energy storage system installation and after‑sales support across Europe.