Three-Phase Power Upgrades
Convert a single-phase supply to three-phase, or increase capacity to meet growing electrical demand.
Professional three-phase power upgrades
When a single-phase supply can no longer keep up with demand, upgrading to three-phase provides the extra capacity for machinery, EV charging and heavier loads. We manage the upgrade end to end and coordinate with your network operator where required.
Phase 3 works with homeowners, landlords, developers and businesses throughout Hampshire, delivering installations designed around the requirements of each property.
- More available power for demanding equipment
- Reduced risk of nuisance tripping and overloads
- Supports EV charging and modern high-load systems
- A supply sized for where your property is heading
What’s Included
- Assessment of your existing supply and demand
- Coordination with the DNO where a new supply is needed
- Upgraded metering and distribution arrangements
- Installation of new tails, boards and protective devices
- Full testing and certification on completion
Every job, done properly
From assessment and design through to testing and commissioning, your installation is handled end to end and certified on completion.
More Three-Phase Services
Explore the other three-phase electrical services we provide across Hampshire.
What Our Customers Say
Rated on Google Reviews
Dalton Mononyane
Phase 3 Offices, Manchester.
Fernanda Prado
Great support, definitely recommend Phase 3.
Frequently Asked Questions
Common questions about three-phase power upgrades.
Ready to Power Your Property?
Speak to Phase 3 about your three-phase installation. We provide free, no-obligation quotes across Hampshire.