Real videos from real jobs across Cambridgeshire, Northamptonshire and Bedfordshire. No stock footage and no sales gloss, just us explaining how this kit actually works and showing you our installations. Click any video to play it right here on the page.
Meet Selec Group
Who Are Selec Group? Meet Your Local Installer
Meet Selec Group, a Cambridgeshire renewables company fitting solar, battery storage, air conditioning and electrical work. MCS, NAPIT, TrustMark and RECC accredited.
Read the full guide →Solar, your questions answered
Why UK Electricity Prices Keep Rising
The April 2026 price cap drop is mostly removed levies, not cheaper energy. Why world events set your bill, and five ways solar protects Cambridgeshire homes.
Read the full guide →Big National or Small Local Solar Installer?
Should you use a big national solar firm or a small local installer in Cambridgeshire? Why accountability, employed teams and a firm that sticks around matter most.
Read the full guide →Why Big Companies Quote Fewer Solar Panels
A big company said eight panels, we said sixteen. Why national firms quote small, how sales targets drive it, and why a bespoke system in Cambridgeshire serves you better.
Read the full guide →How Many Solar Panels Should You Fit?
How many solar panels should you fit? Why filling the roof makes sense, how scaffolding is a fixed cost, and why panels often come before a battery in Cambridgeshire.
Read the full guide →How Many Solar Batteries Do You Need?
How many solar batteries do you need? How to size storage by cost, usage and goals, why batteries are modular, and how I run my home off cheap overnight power.
Read the full guide →How Long Does Solar Take to Pay for Itself?
How long does solar take to pay for itself in Cambridgeshire? Three usage profiles, realistic paybacks of five to nine years, and why the second half is profit.
Read the full guide →How Much Electricity Does a Solar Panel Produce?
How much electricity does a solar panel produce? The simple rule for a 465 watt south facing panel, how to read your usage off your bill, and what changes the figure.
Read the full guide →How a Solar Battery Works
How a home solar battery works, from panel to inverter to house to grid, plus overnight charging on cheap rates. Solar and battery installers in Cambridgeshire.
Read the full guide →How Solar Panels Give You Energy Security
How solar panels give you energy security, protect you from rising electricity prices, and mean no bill for decades. The best time to fit them is now. Cambridgeshire.
Read the full guide →Do Solar Panels Have to Face South?
Do solar panels have to face south? The orientation efficiency figures, why east west arrays often win, and when north facing makes sense. Cambridgeshire installers.
Read the full guide →Do Solar Panels Work When It’s Cloudy?
Do solar panels work when it’s cloudy? Yes. How panels use daylight not direct sun, summer vs winter output, SEG export credits and the zero bill setup. Cambridgeshire.
Read the full guide →When Is the Best Time to Fit Solar Panels?
When is the best time to fit solar panels? The honest answer is now. Why seasons do not change the decision and every month of delay is lost savings.
Read the full guide →Should You Wait for Better Solar Panels?
Heard a better solar panel is coming next year? Why waiting usually costs you, the maths of lost generation, and why now is the best time. Cambridgeshire installers.
Read the full guide →Is Solar Worth It If You’re Moving House?
Thinking of selling? Whether solar is worth fitting if you plan to move, how it adds buyer appeal and value, and movable batteries. Cambridgeshire solar installers.
Read the full guide →Solar Panel Warranties Explained
Solar panel warranties explained: product versus performance cover, what 25 and 30 years really mean, and why a shorter warranty is not always bad. Cambridgeshire.
Read the full guide →Do You Need to Clean Your Solar Panels?
Do solar panels need cleaning? UK rain does most of the work. The exceptions: north facing moss, bird mess, tree sap and shallow flat roofs. Cambridgeshire installers.
Read the full guide →Why Your New Solar Panels Have Marks on Them
Spotted a smudge on your new solar panels? It is usually a harmless handprint that rain washes off. Why we will not clean it, and why online scare stories are wrong.
Read the full guide →Why You Need Birdproofing on Solar Panels
Do you need bird proofing on solar panels? What it is, why pigeons are a problem, and why fitting it while the scaffold is up saves money. Cambridgeshire installers.
Read the full guide →How Long Does It Take to Install Solar Panels?
How long does a solar install take? Our three week programme explained, why a one day job is a red flag, and how to inspect roof hooks, tiles and flashings. Cambs.
Read the full guide →Real installations
16 Panel Solar Install in Grafham, Cambridgeshire
A look at a 16 panel south facing solar install in Grafham, Cambridgeshire. What a typical job involves, what nearly finished means, and why local matters.
Read the full guide →16 Panel Solar Installation in Cambridgeshire
A walk around a finished 16 panel solar installation here in Cambridgeshire.
JA Solar All Black 465W Panels Installed
A finished 16 panel south facing JA Solar all black 465 watt array in Cambridgeshire. Why these panels, what they produce, and the move to electric heating.
Read the full guide →Inside a Typical Solar Panel Installation
A walk through of a typical solar panel installation in Cambridgeshire: rails, hooks, panels, inverter, bird proofing and the near zero grid bill at the end.
Read the full guide →How We Got 16 Panels on a Roof Quoted for 10
A real Cambridgeshire job: how turning panels portrait got 16 on a roof quoted for 10, and how more panels cut the payback by six months. The fixed cost effect explained.
Read the full guide →East Facing Solar Array on a Garage Roof
An east facing solar array on a garage roof, combined with a 16 panel south roof. Early morning generation, big systems and a future zero bill. Cambridgeshire installers.
Read the full guide →Solar Installation on a Flat Roof
How we mount and angle solar panels on a flat roof, where there is no pitch to work with.
The Solar Roof Hooks We Use
A close look at the roof hooks we fit, why the right hook matters, and how it keeps your roof watertight for years to come.
The Most Frustrating Part of a Solar Install
Panels on the roof but not yet switched on. What happens on the final day of a solar install in Cambridgeshire: inverter, DNO, commissioning and handover.
Read the full guide →Air conditioning
Owner guides and tutorials
Change the Wi-Fi on a Solis Data Logger (Method 1)
A step by step guide to reconnecting your Solis data logger to your home Wi-Fi, the quick method.
Change the Battery Charging Time on a Solis Inverter
How to set the charging times on a Solis hybrid inverter so your battery fills up on cheap overnight power.
Change the Wi-Fi on a Solis Data Logger (Method 2, Part 1)
Reconnecting your Solis data logger to Wi-Fi, the second method. Part 1 of 4.
Change the Wi-Fi on a Solis Data Logger (Method 2, Part 2)
Reconnecting your Solis data logger to Wi-Fi, the second method. Part 2 of 4.