Solar & EV Insights: Guides from JJB Volta
Honest guides, real numbers, and straight answers on solar, battery storage and EV charging — from people who install it every day.
Is Solar Battery Storage Worth It in 2026?
Most solar installers will tell you a battery is essential. They're right — but not always for the reasons they give you. Here's the unvarnished picture of what battery storage actually does for your bill, when it makes strong financial sense, and the one question most installers don't want you to ask.
Read the full article →Latest posts
Does my roof need to face south for solar panels? The honest answer.
East and west-facing roofs deliver 80–85% of south-facing output — and often higher self-consumption. Here's the honest picture, with real percentages.
Read more →Time-of-Use tariffs explained: how to charge your battery at 7p and save at 24p
Octopus Go, Agile and Flux compared. How a battery on the right tariff arbitrages 7p overnight rates and 24p peak exports — adding £150–£600/year automatically.
Read more →Home EV charging vs public charging: what it actually costs per mile in 2026
Public rapid chargers cost up to 23p/mile. Home off-peak charging costs around 2p/mile. Real numbers, real payback — and the tariff trick most installers skip.
Read more →Why we launched JJB Volta — and what it means for homeowners and local businesses
After nine years as JJB Electrical, the honest story behind launching a dedicated solar and EV brand — and why small businesses in Hertfordshire and Essex have an even stronger financial case than most realise.
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JJB Volta Solar & EV Insights Blog
The JJB Volta blog publishes practical guides on solar panels, battery storage and EV charging written by the electricians who install these systems every day. Articles focus on real numbers, honest payback calculations, and the questions homeowners actually ask before booking a survey.
Current articles cover: whether solar battery storage is worth it in 2026 (including when it is not); how Time-of-Use tariffs work and how to charge at 7p/kWh while saving against 24p peak rates; whether a roof needs to face south for solar panels to be viable; and home EV charging costs versus public charging per mile in 2026.
All articles are written from direct installation experience in Hertfordshire and Essex. Figures are based on real system data and current UK energy tariffs. No sponsored content.
Contact: 01992 276149 | info@jjbvolta.com | https://jjbvolta.com/blog