Victron ESS (Energy Storage System)

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The Victron ESS (energy storage system) allows for almost any configuration, providing the most optimal solution for your requirements.

With Solar (or other renewable generation)
The battery storage system helps reduce bills by storing any unused generation into the batteries. The power can then be called upon when generation is lower than the consumption, reducing or even stopping energy being imported.

This can be added onto almost any existing solar PV (or other renewable generation) system.

Providing Backup Power
The output of the inverter/charger can be used as an uninterrupted power supply (UPS) for critical loads so in the event of a power-cut they remain up and running.

System configurations

Victron ESS Animated Tween

Victron ESS 01 - BaseVictron ESS 02 - Standard AC Coupled PVVictron ESS 03 - Add The Energy Storage and MeterVictron ESS 04 - Add Critical LoadsVictron ESS 05 - AC Coupled PV On OutputVictron ESS 06 - DC Coupled PVVictron ESS 07 - AC Coupled PV On InputVictron ESS 08 - All Or A Combination Is Also PossibleVictron ESS 09 - New ESS Assistant Without MeterVictron ESS 10 - Pure Energy Storage No PV


  • Grid parallel energy storage system to optimise self consumption
  • Wide range of available inverter/chargers: 800 VA to 10,000 VA in 12, 24 and 48 VDC
  • (optional) No-break UPS back-up for critical loads
  • (optional) Phase compensation.
  • Scheduled charging from the grid possible
  • Built-in certified anti-islanding (not all models)
  • Works with any size solar PV system
  • Works with almost any battery size
  • Suitable for most battery types
  • Three operating modes, from basic to custom, covering both standard and highly integrated systems
  • Free usage of the VRM Portal and the VRM App for remote monitoring
Additional cost to end user from ~ £4,000 + Vat (compared to normal PV system)
See: Victron ESS Kits


Solar Panels for renewable generation.  REC Peak Energy Series Silver Frame
Solar Inverter to connect the solar photovoltaic (PV) panels. SMA Sunny Boy 1.5 2.5
Victron Inverter/Chargers  to convert battery power to 230V AC and vice versa. Various sizes available. Victron MultiPlus Inverter/Charger 12V 3000VA 120A-50A Front
Batteries to store the energy when it’s generated, for use when it’s needed. Any type of battery can be used. Victron Lithium 12.8V 90Ah LiFePo4 Battery Front
Victron Colour Control GX to monitor and control the system, also enables use of the Victron VRM portal to monitor the system remotely via a browser or App. Victron Colour Control GX Front
Carlo Gavazzi Energy Meter to measure export/import so the system knows when to charge/discharge the battery in order to increase self-sufficiency. Carlo Gavazzi EM24-DIN Energy Meter
Battery & Inverter Cables Battery and Inverter
Battery/Inverter Fuses Battery fuse disconnect 3 pole