- Region
- Northern Ireland
- Typical timeline
- 12-16 wk
- Application fee
- £200-400
- Network Study
- Above ~400 kW typical
What's distinctive about NIE Networks
Smaller network — typically the fastest UK DNO processing. High coordination with NI commercial supply contracts. Sometimes requires specific protection arrangements for islanded networks.
For FE college solar projects in Northern Ireland, this means three planning considerations: (1) start the G99 application within the first 8 weeks of project kickoff — the DNO timeline is typically the critical-path item; (2) factor Network Study fees into the Salix energy savings calculation where installs are above 400 kW; (3) prepare the protection coordination documentation in detail with the design package, which speeds first technical response.
NIE Networks processing performance
Practical tips for NIE Networks college solar applications
NI operates as a single electricity market with the Republic of Ireland — Power NI is the dominant SEG licensee. NIE Networks runs separately from GB DNOs; application process is similar but smaller scale. Cross-border decarbonisation projects (NI + ROI) may qualify for INTERREG or Shared Island Fund support.
FE colleges in NIE Networks territory
We've worked with G99 connections for installs at FE colleges across the NIE Networks network. Named providers in this territory include:
- Belfast Metropolitan College (6 campuses)
- South Eastern Regional College (SERC)
- North West Regional College (NWRC)
- Northern Regional College (NRC)
- South West College (SWC)
- Southern Regional College (SRC)
- CAFRE (Greenmount, Loughry, Enniskillen)
Project sequencing with NIE Networks
- Week 0-2: Pre-application call with NIE Networks (recommended for installs above 250 kW); confirm point of connection and electrical design baseline.
- Week 3-4: Submit G99 application with full design package (single-line diagram, protection scheme, anti-islanding documentation, inverter specification).
- Week 5-10: NIE Networks technical review; clarifications addressed within 5-10 working days each round.
- Week 11-16: Network Study (if required) and connection agreement issued.
- Build phase: Per project programme — physical install scheduled into summer break window.
- Commissioning: NIE Networks witness testing — typically a single day; arranged 2-4 weeks after physical commissioning.