How much money can a 40 kW solar system save?

A 40 kw solar system for the right home or business should save around £218200 over the course of its expected 25 year lifetime. That’s based on grid electric costing £0.34/ kWh. That’s roughly £8730 per year in savings, without taking into account inflation or rising electric prices (which both add to your savings if you invest in solar soon).

How many kWh does a 40 kW solar system produce?

(In the UK) On average over a whole year a 40 kW solar system produces 37074.18 kWh in the South of the UK. There’s several factors that influence how many kWh a 40 kW solar PV system produces. Those are:

How do solar panels earn money?

A large portion of potential solar panel earnings comes from the government's generation tariff, which is part of the Feed-In Tariff (FIT) scheme. Under the generation part of this scheme, you receive a fixed rate of income for each kWh of electricity you generate.

How much electricity does a solar panel produce a year?

But since the average conditions in the UK are around 85% as good as STC, these panels will produce around 3,740kWh per year. This is more than enough for the average household, which typically uses 3,400kWh of electricity per year, according to government data.

Will solar panels generate enough electricity year-round?

Whether they'll generate enough electricity for your home year-round will depend on: if your solar panel system works in a power cut. It may be more realistic to think about whether you can be self-sufficient for the brighter parts of the year, and then top up your energy use from the grid at other times.

How much electricity can a 430 watt solar panel produce?

Solar panels are usually around 2m², which means the typical 430-watt model will produce 372kWh across a year. A solar panel system will need space on either side, so finding out your roof's area is only one part of working out how much solar electricity you can generate, but it's a great first step.