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Tethered vs Untethered EV Chargers: Which Is Right for Your Home?
It's one of the first decisions you'll make when choosing a home EV charger, and it's one that most people haven't thought about until it comes up in the installation conversation. Tethered or untethered—the difference sounds straightforward, but getting it wrong means either a cable permanently coiled by your front door or a frustrating rummage in the boot every time you want to charge. Here's what actually separates them and how to work out which suits your setup. What Is a
7 days ago4 min read


How Many Solar Batteries Do You Need? A Battery Sizing Guide for UK Homes
There's a question that comes up almost as often as "how much will this save me?"—and it's "how big a battery do I actually need?" Get it right and you're using far more of your own solar power, cutting your evening grid costs and getting genuine backup when the power goes out. Get it wrong and you're either paying for storage capacity that sits half-empty most nights, or watching your battery run dry by 9pm and buying electricity back at peak rates anyway. There's no single
Sep 174 min read


Selling Excess Solar Energy Back to the Grid in 2026: What UK Homeowners Actually Need to Know
There’s a question that comes up in almost every solar consultation we do at Optimum Electrics: “Can I actually make money from the electricity I don’t use?” The short answer is yes. But how much you earn—and whether it’s genuinely worth chasing—depends on a handful of decisions most people don’t think about until it’s too late. How the Smart Export Guarantee Works in 2026 The mechanism behind this is the Smart Export Guarantee, or SEG. Introduced in January 2020 as a replace
Jun 114 min read


The Warm Homes Plan: What It Actually Covers
If you've noticed your heating bills climbing or persistent cold spots, the Warm Homes Plan might be relevant. Here's what we know about the scheme, the honest version and not the marketing pitch. It's a targeted scheme with specific criteria, and understanding how it works makes the difference between a smooth process and disappointment. What the Scheme Actually Is The Warm Homes Plan is the government's response to energy-inefficient UK housing. In 2026, the emphasis on the
May 144 min read


Does Solar Increase House Value in the UK, or Is That a Myth?
If you’re thinking about solar panels and wondering whether they’ll add value to your house, this blog answers all your questions.
Feb 123 min read


UK Homeowners Set to Access Zero-Interest Loans for Solar Panels and Clean Energy Upgrades
Discover exactly what the Warm Homes Plan is, who benefits, important dates, and information about how you'll be able to apply.
Jan 283 min read


What’s the best electricity tariff in the UK for homeowners with solar panels (and batteries)?
This guide walks you through how to pick the right setup, what to compare, and the common traps that cost solar owners money.
Jan 286 min read


What to Do If a Fuse Keeps Tripping (UK Step by Step Guide)
Easy step by step guide of what to do when a fuse keeps tripping (UK guide). Including safety checklist and when you need to contact a qualified electrician.
Jan 132 min read


Best Solar Panels in the UK Right Now – A Homeowner’s Guide (2026)
In this guide, we explain which solar panels perform best in the UK today, how they cope with British weather, and why the inverter system you choose is just as important as the panels themselves.
Jan 124 min read


Commercial Solar Panels in the UK
Discover how commercial solar works in the UK, what it costs, what you can save, and whether it makes sense for your business and building.
Dec 18, 20254 min read


Residential Solar Panel Costs & Payback in the UK: 2026 Homeowner Guide
Thinking about making the switch to solar in 2026? Wondering how much solar panels cost and whether they’re truly worth it for your home in the UK? Optimum Electrics is here to guide you through everything from prices to payback periods, helping you make an informed choice.
Dec 10, 20253 min read
Optimum Electrics Blog
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