Solar panels produce direct current (DC). The inverter converts it to alternating current (AC) that your home and the grid use. Inverters usually need replacing before panels do.

Upgrade options

Hybrid inverters connect panels and a battery.
Microinverters sit behind each panel and help on shaded or complex roofs.
Optimisers reduce the effect of shading on individual panels.

Questions to ask installers

Is my current inverter working properly?
Would a hybrid inverter let me add a battery later?
Would microinverters or optimisers help with shading?
What warranty comes with the new inverter?

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FAQs

Inverters & upgrades: common questions

How do I know if my inverter has failed?

Common signs are warning lights or error codes on the inverter, no generation showing in your monitoring app, or a sudden drop in output.

How long do solar inverters last?

Many inverters last around ten to fifteen years, often less than the panels.

Can my system be upgraded for a battery?

Often, yes, with a hybrid inverter or an AC-coupled battery.

Solar panel installation

Domestic and commercial solar PV systems, from a standard roof install to ground-mounted, flat-roof and off-grid systems.

Solar battery storage

Store the electricity your panels generate and use it in the evening. Installers can add batteries to new or existing systems.

EV charger installation

Home and workplace electric vehicle chargers, including chargers that can run on solar-generated electricity.

Solar repairs and maintenance

Repairs, servicing, cleaning and protection for existing solar systems, including systems fitted by another company.

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What the inverter does