Prior Diesel is internationally recognised as a leading British manufacturer and supplier for Power generation equipment.

Catering for all markets and sizes from 5kVA through to 3500kVA for industries such as oil & Gas, marine, industrial, M.O.D, retail, NHS, telecommunications, data centres and more we have a solution.

Portable, open, enclosed, containerised, soundproof and/or bespoke design, we have a dedicated engineering team with purpose built manufacturing and testing facilities.

Emission compliant, fuel efficient and conforming to any standard or specification you need, we can deliver it.

Available in standby, prime and continuous ratings

Specialising in bespoke packages, that need to comply with CE markings, Atex or Rig-safe legislation and representing a vast range of products and brands in an authorised status, we can tailor packages with pairing prime mover and alternator options that to meet your needs.

We are able to globally support your investment from inception to end of life, with a dedicated spares parts department and service department with highly trained and experienced personnel, we offer preventative maintenance solutions and packages available 24/7 365. Enabling you to Invest in uptime and eliminate down time.

Not only do we manufacture but we also overhaul, recondition to zero hours basis specifications and re power existing generator sets.

Installation and commissioning services are also available


  • CHP
  • Hybrid
  • Gas
  • Battery storage solutions
  • UPS solutions
  • Switchgear, distribution boards & panels
  • Fuel tanks