G99 & G100: Grid Connection and Export Limitation

Partner Event

May 23rd - 11:00-16:00


This 1-day course covers the connection of large scale embedded generators to the distribution network. It is suitable for contractors installing solar PV systems, wind turbines and batteries up to around 50MW. Where candidates are going on to complete G99 applications on behalf of a client, Narec DE can provide follow-on consultancy to assist with securing grid connections

  • Duration: 1 Day
  • Accreditation: Narec Distributed Energy
  • Cost: £395+VAT / £200+VAT for STA members
  • Entry Requirements: Experience and knowledge of generation systems
  • Course Type: Classroom
  • Assessment: Tutor assessed

The course will cover the following topics:

  • Introduction to the UK electrical power distribution system
  • Role of the District Network Operators (DNOs)
  • Network issues caused by embedded generation
  • Applicability of G99
  • Technical requirements of G99
  • Technical requirements of G100
  • Energy storage and associated issues
  • Connection application process
  • Witness testing requirements

Please note, this is a one day introductory course and will not teach you how to undertake a full witness test yourself

Candidate Entry Requirements

Although no strict entry requirements exist, electrical background is recommended.


Please book through Narec's website or call (01670) 543006.


Address: Greencoat House, Francis Street, London, SW1P1DP