We help developers, operators, installers and investors navigate G99/DNO and TO/NESO connections — from early feasibility and engagement, through applications, negotiations and compliance, to energisation and ongoing advisory on grid reforms. Our experience spans the full spectrum of projects, from microgeneration at 3.68 kW to utility‑scale schemes exceeding 1 GW.
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Early-stage grid reviews, capacity scans, network strategy and risk analysis for generation and demand projects, including private wire and direct TO connections.
Preparation and submission of grid connection applications (G99 and demand), engagement and negotiation with DNOs, TOs, and NESO, and management of programme milestones through to signed connection agreements.
Compliance management and network modelling including load flow, short‑circuit and fault analysis, stability studies, and coordination with OEMs and network operators.
Strategic advisory on NESO reforms, grid connection queue management, and evolving policy frameworks; supporting investors and developers to navigate a changing regulatory landscape.
Transparent pricing aligned to project scale. Packages below cover microgeneration to utility‑scale with clear tiers for applications, ad‑hoc support, and retained engineering.
G99/G100 application & advice for <50 kW.
£250
Competent demand/generation application with client‑supplied data.
£500
Demand/generation application (G99 where applicable), liaison with network operator to submission.
£1,000
Large‑scale 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 DNO/TO interfaces, feasibility to energisation, and owner’s engineering for UK renewable projects at scale.
Email us and we’ll come back with next steps and availability.
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