SP Energy Networks — connection process

SP Energy Networks (formerly Scottish Power Distribution) is the DNO for the majority of central Scotland. They cover the bulk of our service area — Edinburgh, Glasgow, Falkirk, Fife, the Lothians and most of Lanarkshire.

G98 vs G99 — which applies?

• G98 (notification only): Single inverter ≤ 16A per phase (~3.68kW single-phase). Notify within 28 days of commissioning — no pre-approval needed.
• G99 (pre-approval): Anything larger. Connection offer issued first, then install, then commissioning. Connection offers typically issued in 6-12 weeks for standard sites; complex sites (capacity-constrained) can take 4-6 months.

Typical SP Energy Networks timeline

1. Submit G99 application with single-line diagram + capacity request
2. SP Energy Networks accepts application + acknowledges
3. Connection offer issued (connection offers typically issued in 6-12 weeks for standard sites; complex sites (capacity-constrained) can take 4-6 months.)
4. Accept offer + pay any reinforcement contribution if applicable
5. Schedule install + commissioning
6. Send commissioning certificate + MCS cert to SP Energy Networks

SP Energy Networks specifics

• Strong online connections portal — accepts G98 and G99 submissions digitally.
• Curtailment offered for grid-constrained sites under G100 ANM (Active Network Management).
• Smart export tariffs work transparently — no DNO action needed once notified.
• Three-phase upgrades typically 6-10 weeks lead time in our area.

Contact

Phone: 0330 1010 222
Portal: https://www.spenergynetworks.co.uk/pages/connections.aspx

Ecoaim handles every G98/G99 application on behalf of our customers — you don't touch a portal or speak to a DNO engineer unless you want to.