Panels, inverters, batteries and complete installed packages - designed, supplied and maintained by one accountable British team.
Four ways into a Lewis system - generate it, control it, store it, or take the whole thing installed and maintained in one accountable quote.
↓High-efficiency N-type panels sized to your roof, your shading and the way you actually use power.
On-grid, hybrid and off-grid control - the brain that decides where every kilowatt goes, moment to moment.
Premium wall-mounted LiFePO₄ storage that keeps the day's generation working long after the sun has gone.
Panels, inverter, battery, professional installation and a year of complimentary AMC - one quote, one accountable team.
Every product family - solar panels, inverters and battery storage - plus two complete installed packages, working as one connected system.
SunCore™ for dependable everyday generation and excellent value, SunCrown™ for maximum energy generation, and SunCrown Black™ - a premium all-black panel with cell-level partial-shading optimisation.
Reliable power for everyday energy savings.
Advanced N-Type ABC back-contact technology.
Premium all-black performance.
GridMax™ is the simpler on-grid choice for daytime savings, PowerSync™ adds battery storage and backup for selected essential loads, and PowerGuard™ is built for locations with limited or unreliable grid access.
Intelligent on-grid power. Switches off during a power cut, for safety.
Solar, battery, grid and backup - working together.
Dependable power beyond the grid.
Premium wall-mounted LiFePO₄ storage with REPT battery cells and CE / UKCA certification support. Choose TerraVault™ for dependable everyday storage, or TerraVault Max™ to add a built-in touch display and Wi-Fi monitoring support.
Dependable LiFePO₄ storage.
Smart display and connected monitoring.
Choose the right level of performance and support. Every package is specified, supplied and supported by one accountable Lewis team under a single quotation, and includes one year of complimentary maintenance support.
Standard
Dependable solar power, battery storage and professional support for everyday energy needs.
★ Premium
Advanced solar technology, enhanced monitoring and priority support for customers seeking greater performance and long-term confidence.
*Product selection, warranty duration, monitoring functions and response targets depend on the selected equipment, package, registration and applicable service terms. Response time refers to initial acknowledgement and diagnosis, not guaranteed on-site resolution.
Scheduled cleaning, system checks, service reports and responsive technical support. Select the plan that best matches your system size, service expectations and dependence on reliable power.
Standard includes one year of Silver cover; Premium includes one year of Platinum cover. Response targets refer to initial acknowledgement and diagnosis, not guaranteed on-site resolution. Final visit frequency, service area and exclusions are confirmed in the signed AMC quotation.
The same accountable installation and documented quality – with more panel technology, monitoring, warranty cover and support priority as you step up.
| Feature | Standard | ★ Premium |
|---|---|---|
| Solar-panel technology | SunCore™ N-Type TOPCon | SunCrown™ or SunCrown Black™ ABC |
| Partial-shading optimisation | Standard bypass-diode protection | ✓ Cell-level optimisation |
| All-black option | - | ✓ SunCrown Black™ |
| Inverter | PowerSync™ or PowerGuard™, according to system design | |
| Battery storage | TerraVault™ | TerraVault Max™ |
| Inverter & battery warranty | Five years* | Up to seven years* |
| Monitoring | - | ✓ Touch-display and connected options |
| Complimentary maintenance cover | One year · Silver | One year · Platinum |
| Support response target | Within 24 hours* | Priority · within six hours* |
Both packages include solar panels, inverter, battery storage, professional installation and commissioning, and one year of complimentary maintenance support.
*Product selection, warranty duration, monitoring functions and response targets depend on the selected equipment, package, registration and applicable service terms. Response time refers to initial acknowledgement and diagnosis, not guaranteed on-site resolution.
High-efficiency solar panels, intelligent power management, battery storage and optional partial-shading optimisation - selected according to your site and energy requirements.
High-efficiency solar panels selected to maximise output within the available installation area.
Up to 30% more efficient than standard panels when shaded.
TerraVault™ battery storage keeps surplus solar energy available for evenings, outages and periods of lower solar generation.
Book a free site survey and load assessment. We'll design the right package around your roof, your usage and your budget - no obligation.
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