WD Walledge Davis Consulting Limited

Grid strategy & network interface for energy projects in Great Britain

Independent support for demand, generation and storage projects where grid access drives programme and value. We help teams understand capacity and constraint risk, navigate Connections Reform / Gate 2, and deal directly with network companies — from early options through offer diligence and delivery.

Based in Newcastle • Serving clients across GB

Focus
Strategy • Delivery • Risk
Sectors
Large demand • Data centres • Solar • Wind • BESS
Networks
Distribution & Transmission
Commercials
£100/hour base rate

Typical support: capacity/options studies • offer due diligence • programme risk • network engagement • workshops for Connections Reform & Gate 2.

Services

Practical grid advisory for projects where the connection position affects feasibility, programme or investment decision-making.

Grid strategy & capacity risk

Early-stage assessment of connection options, constraints and delivery risk to support site selection and portfolio prioritisation.

Connections Reform / Gate 2

Support on evidence strategy, sequencing risk, and decision points to protect programme and improve chances of progression.

Applications & offer diligence

Preparation and review of distribution and transmission applications, offer due diligence, and clear identification of key risks and milestones.

Studies & technical inputs

Independent coordination and review of power system / grid study inputs needed to support connection decisions and delivery.

Network company interface

Direct engagement with network companies across Great Britain, including the system operator and transmission owners, and experience working with all GB DNOs.

System operator & transmission

  • NESO (National Energy System Operator)
  • National Grid (NGET)
  • Scottish Power Transmission
  • SSE Transmission

Policy context (kept practical)

Advice is grounded in the realities of DESNZ’s Clean Power 2030 plan — focused on what it means for capacity availability, constraint risk and delivery timing at project level.

GB Distribution Network Operators (DNOs)

Experience working across all GB DNO groups, including:

  • UK Power Networks
  • National Grid Electricity Distribution
  • Northern Powergrid
  • Electricity North West
  • Scottish and Southern Electricity Networks (SSEN)
  • SP Energy Networks

Listed for clarity and discoverability — engagement depends on project geography and connection type.

Pricing

Straightforward commercials. Most work is scoped to outcome and programme — hourly for ad-hoc support, or retained capacity for teams who need continuity.

Hourly engagement

Flexible support across strategy, network engagement, due diligence and delivery.

£100/hour

Retained support

Priority access and predictable budgeting. Blended rates apply only for larger commitments.

1 day / month

8 hours

£800

2 days / month

16 hours

£1,600

4 days / month

32 hours

£3,200

Blended rates are available where a client reserves more than one day per week on a rolling basis.

All prices exclude VAT. Larger scopes can be fixed-price where deliverables are well-defined.

About

Walledge Davis Consulting provides independent grid and power systems advisory for energy infrastructure projects. The work is built around clear communication, technically sound inputs, and an understanding of what matters commercially: programme, risk and investability.

If you need someone to own the grid workstream, pressure-test an offer, or get a network conversation moving, this is the lane.

Quick facts

  • Location: Newcastle, UK (remote + site visits)
  • Typical clients: developers, funds, operators
  • Typical projects: large demand, generation, storage and hybrids
  • Tools: PSCAD • DIgSILENT • IPSA (as required)

Contact

Send a short note with your project type, location and what decision you’re trying to make. You’ll get a fast, straight answer on scope and next steps.

Response typically within 1 business day.