Stem Energy Storage is a technology that captures and stores renewable energy for future utilization. It employs advanced technologies such as lithium-ion batteries and the Athena software
Stem develops PowerTrack - the system for managing energy storage systems and solar power plants. It continuously collects and analyzes millions of data points throughout the project
Stem is a provider of artificial intelligence-driven energy storage solution. Its proprietary software platform, Athena, enables customers to optimize energy efficiency by automatically switching
PowerTrack EMS is an intelligent control system that manages battery charging and discharging operations while coordinating grid services and enabling revenue streams for energy storage...
Stem has over 1,000 operational or contracted battery energy storage system (BESS) sites in its portfolio and brings expertise to projects of this scale and complexity. The company
PowerTrack EMS is an intelligent control system that manages battery charging and discharging operations while coordinating grid services and enabling revenue streams for energy
Stem Inc. (Stem) has had a profitable start to the year as the company continues to pivot away from battery storage hardware into energy storage and solar software and services.
The industry-leading comprehensive suite for solar and storage assets, offering advanced analytics, remote diagnostics, and performance reporting tools, including Software, Energy Management
PEES Power Systems is a leading provider of advanced energy solutions in South Africa and Africa. We specialize in microgrid systems, solar photovoltaic (PV) power generation, BESS (battery energy storage systems), grid‑tied / hybrid / off‑grid inverters, PCS power conversion systems, EMS energy management systems, BMS battery management systems, lithium‑ion & LiFePO4 batteries, and modular energy storage systems. Our portfolio also includes energy storage containers, energy storage cabinets, containerised power stations, off‑grid power supply systems, backup emergency power, clean energy solutions, new energy storage systems, and green power systems. We offer battery cabinets with integrated BMS, outdoor all‑in‑one storage cabinets, commercial & industrial storage, communication battery cabinets, server racks, and transformer capacity expansion services. Whether you need a small off‑grid system or a zero‑carbon factory solution, our products deliver reliability and performance.
Our modular energy storage solutions range from 20ft/40ft mobile containers to outdoor all‑in‑one energy storage cabinets. We are a leading manufacturer of battery cabinets with BMS, offering communication battery cabinets for telecom, server racks for data centers, and energy storage battery BMS systems. We utilize lithium‑ion energy storage batteries and LiFePO4 batteries for optimal safety and lifecycle. Our stackable design allows flexible capacity expansion, while our grid‑forming technology ensures stable microgrid operation. Whether for distributed PV systems, off‑grid power supply, backup emergency power, or large zero‑carbon parks, our products feature advanced thermal management, PCS and EMS integration, and compliance with South African and international standards. We also provide professional energy storage system installation and after‑sales support, and we help clients navigate energy storage subsidies where applicable.