Connections

ICP Contestable Works (NERS Accredited Scope)

Hardtech HV operates as a NERS accredited Independent Connection Provider (ICP), delivering contestable works in accordance with DNO requirements.

We manage:

New HV and LV connections

Network extensions

Cable installation and diversion works

Substation installation

Testing, commissioning and adoption

HV/LV Design and Engineering

Good infrastructure starts with practical, well-considered design.

We provide HV and LV electrical design and engineering services for projects ranging from small LV systems to complex 33kV private networks.

Our design capability includes:

Feasibility studies and load assessments

Point of connection applications and DNO liaison

Cable sizing and network calculations

Protection studies and discrimination grading

Earthing design and EPR assessments

Construction drawings and as-built documentation

FAQs - Connections

What types of high voltage (HV) and low voltage (LV) design services does Hardtech HV provide?

Hardtech HV delivers comprehensive HV and LV design services for networks from small LV systems up to 33kV private networks. This includes feasibility studies, load assessments, cable sizing, protection studies, earthing design, and construction drawings. Our designs follow BS standards, ENA guidance, and DNO specifications and are created with installation, operation, and long-term maintenance in mind.

Are Hardtech HV's ICP services NERS accredited?

Yes. We are a NERS accredited Independent Connection Provider (ICP), meaning we are fully qualified to deliver contestable works under DNO regulations. We manage new HV/LV connections, network extensions, substation installations, cable works, testing, commissioning, and adoption-ready infrastructure.

Can Hardtech HV work on both private and public networks?

Yes. We design, build, and maintain both private networks (LV–33kV) for industrial, commercial, or renewable projects, and contestable public network works as a NERS-accredited ICP. This includes integrating private generation and connecting to the distribution network safely and efficiently.

Does Hardtech HV support renewable energy connections?

Yes. We have experience integrating renewable energy sources such as solar PV, wind, and battery storage into both private and public networks. This includes protection studies, HV/LV connections, cable installation, and compliance with DNO and regulatory standards.

How does Hardtech HV ensure safe network connections?

All HV/LV connection works follow strict safety protocols, including risk assessments and authorised switching procedures, to protect both personnel and existing network assets.

Who can Hardtech HV connect to the network?

We provide connection services for developers, renewable energy operators, commercial facilities, and industrial clients, ensuring efficient integration with public and private networks.

How long do connection projects usually take?

Project duration depends on network complexity, approvals, and site conditions. We plan and execute connection works to deliver adoption-ready infrastructure on schedule.

Why choose Hardtech HV for network connections?

With NERS-accredited ICP experience and practical engineering expertise, we deliver compliant, safe, and reliable connections that integrate seamlessly with existing networks.

Reliable Partners For Critical Infrastructure.

Get in touch to discuss your project, challenges, or requirements. Our specialists are ready to support you end-to-end.