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1 MW/1.2 MWh Battery Energy Storage System (BESS) Rental

When you’re powering an industrial site or scaling or storing power to meet future spikes in demand, Aggreko’s 1 MW battery energy storage system is designed to increase your flexibility while reducing your costs. With our 1 MW battery storage, you can store the excess energy produced from your generators, eliminate waste, and bring down your fuel costs. Battery energy storage is also an effective way to meet your Energy Transition goals, driving higher efficiency by using more of the energy you produce. All backed by Aggreko’s energy storage specialists – a capable team to help you choose, implement and monitor the right solution.

Aggreko 1 MW/1.2 MWh UL Battery Energy Storage System

Energy Storage Capacity (usable): 1,000 kW
Standards/Certifications (battery) CSA22.2 #107.1 / UL1741SA
Standards/Certifications (inverter) UL9540, UL9540A
AC Output, Voltage, Frequency 1,000 kW, 480 V, 60 Hz
Length 238.5 in (6,058 mm)
Width 96 in (2,438 mm)
Height 114 in (2,896 mm)
Gross Weight (lbs) 48,500 lbs (21,999 kg)
Net Weight (lbs) 48,500 lbs (21,999 kg)


  • Intelligent energy and power control module with touchscreen display
  • Containerized design and flexible maneuverability with crane lift
  • Designed and built to Aggreko’s uncompromising quality standards
  • Suitable for grid forming and grid following applications
  • Wide ambient temperature range, from -10°C to 45°C
  • Variable charge time (ability to charge by 1,000 kW in 1 hour or 100 kW in 10 hours)
  • Easy integration with many utilities as well as most of Aggreko's power generation assets
  • Built-in HVAC, fire detection and suppression system, DC collector, auxiliary power, and hydrogen detection and purging system
  • Modbus interface for end-user SCADA integration
  • BESS system meets UL 9540 and UL9540A safety standards
  • Inverter meets UL 1741 SA performance standards & CSA 22.2 #107.1 safety standards


  • Helps meet emissions regulations and environmental responsibility targets
  • Reduces generator run time, thereby decreasing fuel consumption and providing cost savings
  • Significantly reduces environmental noise
  • Enables management of variable loads by storing excess energy for later
  • Supports a wide range of applications
  • Enables smarter, safer and reactive grid interconnection
  • Features all-in-one design for more efficient commissioning timescale
  • Backed by Aggreko's support, including remote monitoring, for uninterrupted operation

The Aggreko difference

Across all our battery energy storage systems, you’ll get the advantage of our extensive experience in energy storage for various applications. From events to complex applications like data centers and oil and gas, we’re committed to helping you reduce your carbon footprint and make your operations more efficient.

Data-driven energy storage

Our solutions all deliver complete visibility into your energy consumption and performance.

Supported by remote monitoring

Trust our experts to help you adjust your load and maximize performance across your energy storage.

Flexibility as standard

Our energy storage solutions are designed for flexibility in operations and CAPEX avoidance.

Part of Aggreko’s Greener UpgradesTM initiative

Our 1 MW/1.2 MWh battery storage solution is part of Aggreko’s Greener UpgradesTM initiative – a way to help our customers make greener choices and meet their environmental responsibilities.

By investing in new technology, we’re enabling customers to make small shifts that significantly reduce regulated emissions like NOx, particulate matter, CO, and CO2. As a result, we can support global decarbonization, reduce the reputational and financial risk of fuel-intensive operations, and guide our customers through the Energy Transition.

Learn more about our energy storage solutions

From modular 30 kVA, 60 kVA, 240 kW and 1 MW battery solutions to our comprehensive hybrid power system, we’re ready to increase your resilience and flexibility anywhere in the world.

Learn more about our energy storage solutions and how we’re sharing our decade-long experience in energy storage.