Medium voltage turnkey solutions

Jema provides turnkey solutions perfectly adapted to large solar facilities with a wide range of power spanning from 500 kW to 5.6 MW. The SI Box makes it possible to lower transport, installation and commissioning costs.

Turnkey solar conversion centres up to 5.6 MW of power are housing medium voltage conversion and transformers equipment adapted to environmental and temperature conditions for every solar plant.

The centres include the following elements:

  • Solar inverters.
  • Oil Filled Power Transformer up to 5.6 MVA.
  • Auxiliary Services: auxiliary board and auxiliary transformer.
  • MT SF6 Cell up to 36 KV for IEC solutions.


  • Communications board.
  • UPS.
  • Air-conditioning systems.
  • PPC (Power plant controller).

Main features

  • Up to 5.6 MW rated power.
  • 1000 V and 1500 V Solutions.
  • Voltage up to 36 kV.
  • Built with a metal or concrete container or metal structure.
  • Factory tested plug & play systems.
  • Maritime transportation certification (ship container).