Your Grid Connection Partner — From Concept to Commissioning
From feasibility and design to construction support and DNO handover, we deliver grid-compliant solutions for high-voltage infrastructure and energy projects across the UK and beyond.
“You don’t need all the answers — just a project idea. We’ll take it from there”
Enabling Developers, Utilities & Owners to Build Better.
Enabling Developers, Utilities & Owners to Build Better.
From data centres and EV hubs to battery storage and solar farms — we support clients through every stage of project development. Whether you’re at early planning or near construction, we help get your infrastructure grid-ready and technically sound.
Modern Tech Ltd works alongside developers, utilities, and EPC teams to deliver a clear and technically sound path from early planning through to energisation.
Whether you're applying to a DNO, preparing tender drawings, or reviewing bids — we guide you through every critical phase.
How We
Support Developers -
From Day One to Handover.
Feasibility & Planning
Space planning and layout guidance
Early design cost estimation
National Grid and DNO connection applications
Single Line Diagrams (SLDs) for early approvals
Design & Tender Support
Employer’s Requirements (ER) documentation
Fire risk and ESQCR assessments
Cable sizing estimates (up to 275kV)
Drawings for planning submission
Coordination with architects and underground services
Delivery & Compliance
Bid review and quotation validation
Scope matrix and variation risk mitigation
Detailed design document review
Support through energisation and DNO/IDNO sign-off
What We Do
We deliver comprehensive electrical engineering solutions with expertise in power systems, infrastructure design, and modern energy technologies.
Modern Tech Ltd specializes in advanced power system studies for high-voltage and complex grid connections up to 400kV. Our expert engineers use industry-leading software (DigSILENT, CDEGS, Trimble, Dialux) to deliver load flow analysis, fault level calculations, harmonics (G5/5) compliance, and transient overvoltage studies. We help Independent Connection Providers (ICPs), DNOs, and developers achieve reliable, compliant, and efficient power infrastructure.
We deliver turnkey high-voltage substation design services, from primary and secondary engineering to full multidisciplinary integration. Our team has extensive experience with 132kV to 400kV substations, providing detailed layouts, single line diagrams, protection schemes, and 3D/BIM modelling. Modern Tech Ltd ensures every substation project meets UK Power Networks and National Grid standards for safety, reliability, and scalability.
Our integrated civil and structural engineering services cover foundations, access roads, drainage, and site-specific solutions for substations and energy infrastructure. Using advanced modelling and analysis, we deliver robust, cost-effective designs that support long-term reliability and compliance. Modern Tech Ltd’s civil engineering expertise ensures seamless integration with electrical systems for every project.
Modern Tech Ltd provides comprehensive technical compliance and project support, including feasibility studies, bid and tender assistance, G99/G5/5/P28 studies, and construction/post-construction services. Our engineers guide clients through DNO and National Grid approval processes, ensuring projects meet all regulatory and safety requirements—on time and within budget.
Book a Free 30-Minute Consultation or Request a Feasibility Review
Whether you're early-stage or ready to build, we're happy to offer initial advice — no strings attached.
Let’s get your project moving — our engineers will assess feasibility and highlight risks or next steps.