Articles & Explainers
Plain-English explainers on batteries, tariffs, savings and the energy market: everything you need to make a confident decision.
What is Vimma?
Vimma is an affordable, managed home battery that stores cheap off-peak electricity so you can avoid expensive rates, helping you cut bills by up to 50%.
Vimma ExplainerHow does Vimma control my battery?
Vimma provides a managed service to maximise your savings and support the grid, enabling Vimma to provide an industry leading warranty!
ArticleWhich tariff is best to use with my battery?
With a cheap off-peak tariff and a Vimma battery you can unlock serious savings. Here are two of the most popular options and what to look out for when comparing.
ArticleIs battery safety something to worry about?
Our batteries are installed outside and use the safest chemistry type. So no fires, no drama, just cool, quiet confidence that your savings aren’t coming at a cost.
Vimma ExplainerIs charging overnight better for the environment?
Charging overnight when the grid is often cheaper and greener (due to a higher percentage of renewable generation) can help you save money and reduce your carbon footprint.
Energy Industry ExplainerHow do time of use tariffs work?
Energy companies offer time of use tariffs to smooth out demand and cut costs, because wholesale input prices are lower — so you get cheaper power and a grid that works better for everyone.
Energy Industry ExplainerWhat is arbitrage and how does it save me money?
In this context arbitrage means storing cheap off-peak energy to use at peak times when prices soar, saving you hundreds per year.
Vimma ExplainerIs a battery without solar worthwhile?
A Vimma battery on a smart tariff can cut your electricity bill in half and pay back faster than solar, with less faff, and no need for sunshine. Just simple, straight-up savings.
Energy Industry ExplainerWhy is electricity in the UK so expensive?
UK electricity is costly because gas sets the price, gas is expensive, we import a lot of it, and the market is volatile — but smart storage and more renewable generation can help bring costs down.
Energy Industry ExplainerEnergy Price Cap Changes — What Does This Mean for Me?
The energy price cap sets a limit on what suppliers can charge per unit, so when it changes, your bills may go up or down — but smart usage and storage can help you stay in control.
Saving MoneyWhat is a Time of Use Tariff?
Heard whispers about “time of use” tariffs and wondered if they can save you money on your energy bill?
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