We help developers, operators, installers and investors navigate G99/DNO and TO/NESO grid connections — from feasibility and early engagement, through G99 and demand applications, G100 export limitation advice, negotiations and compliance, to energisation and advisory on transmission applications and NESO reforms. Our expertise spans projects from 3.68 kW to 1 GW+.
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Capacity checks, grid risk assessments and connection strategy for G99, demand and transmission projects, including private wire and direct TO connections.
Preparation and submission of G99 generation and demand applications, including G100 export limitation schemes. Negotiation and liaison with DNOs, TOs and NESO.
Load flow, short‑circuit and fault analysis, stability studies, and compliance management. Ensuring projects meet G99, G100 and Grid Code requirements through to energisation.
Advisory on transmission applications, queue management milestones, CMP reforms and evolving NESO frameworks. Supporting investors and developers with regulatory change.
Transparent pricing aligned to project scale. Packages cover microgeneration to utility‑scale with clear tiers for G99, G100, demand, transmission and retained engineering support.
G99/G100 application & advice for <50 kW.
£250
Competent demand/generation application with client‑supplied data.
£500
Demand/generation G99 applications and liaison with DNO/TO to submission.
£1,000
Large‑scale transmission and complex connections. Scope, deliverables and commercials tailored to programme.
On request
Flexible support across feasibility, applications, negotiations or studies.
£80/hour
Your company’s retained grid engineer. Priority support and predictable budgeting.
1 day / month
8 hours
£600
2 days / month
16 hours
£1,100
4 days / month
32 hours
£2,000
All prices exclude VAT. Application packages assume client‑provided project data and standard scope; additional studies/iterations quoted separately.
Walledge Davis Consulting Limited is led by Kieran Davis, a Grid Connection Consultant with 8+ years’ experience across G99/DNO, G100, TO and NESO interfaces — from feasibility to energisation — supporting renewable, hydrogen and data centre projects across the UK.
Email us and we’ll come back with next steps and availability.
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