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Solar Energy Insights & Advice

Expert guides, industry news, and tips to help you make the most of your solar investment

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Commercial & New Build

The Future Homes Standard and Solar: What UK Architects Need to Know

From 24 March 2027, new dwellings in England must have on-site renewable generation. What the requirement says, what the transitional arrangement protects, and where the tax position stands.

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Architectural floor plan drawing with a drafting compass and a green Benefits label.

Latest Articles

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Installations

Illustration of a pitched roof of solar panels with a chimney casting shade across two panels

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Solar Panels

String Inverters, Optimisers or Microinverters?

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Illustration of a Victorian London house with a dark slate roof and all-black solar panels

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Roofing

Solar Panels on Slate Roofs: What’s Involved

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Illustration of a shield with a tick above a house with solar panels and a home battery

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Faults & Servicing

Solar and Battery Warranties Explained

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Illustration comparing a flat with a balcony solar panel and a terraced house with a full rooftop array

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Solar Panels

Plug-In Solar Panels vs a Full Solar Installation

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Illustration of clean solar panels on a pitched roof in light rain

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Faults & Servicing

Do Solar Panels Need Cleaning? A London Guide

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Illustration of a hybrid inverter and home battery mounted on a garage wall

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Battery Storage

What Is a Hybrid Inverter, and Do You Need One?

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Illustration of a London rear extension with tilted solar panels on its flat roof

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Roofing

Solar Panels on Flat Roofs and Rear Extensions

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Illustration of a house with solar panels, an export meter and an electricity pylon

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Planning & Grid

Smart Export Guarantee Explained: Getting Paid for Your Solar

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Illustration of a terraced house with solar panels on a frosty winter day with a low sun

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Solar Panels

Do Solar Panels Work in Winter? What to Expect in the UK

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Illustration of a terraced house with solar panels and a home battery beside a wall calendar

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Solar Panels

0% VAT on Solar Panels and Batteries Ends 31 March 2027

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Illustration of a home inverter showing a warning symbol, with a phone alert beside it

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Faults & Servicing

FoxESS Inverter Fault Codes: What They Mean and What to Do

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Illustration of a terraced house with solar panels and an electric car charging on the driveway

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Solar Panels

Can I Charge My Electric Car From My Solar Panels?

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Illustration of a flat-roofed commercial warehouse covered in solar panels with a cable running to an electricity substation

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Commercial & New Build

G99 and Commercial Solar: Getting a Business System Connected

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Illustration of a London terraced house in cutaway with a home battery on the outside back wall, the loft and bedroom greyed out

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Battery Storage

Where Can a Home Battery Be Installed? PAS 63100 Explained

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Illustration of a house at evening with a full home battery paused while the grid supplies power

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Faults & Servicing

Why Is My Solar Battery Not Discharging?

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Illustration of a house with solar panels and a set of house keys in the foreground

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Solar Panels

Buying a House With Solar Panels: What to Check

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Illustration of a house with solar panels and a dashed outline on the roof showing where extra panels could go

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Solar Panels

Can You Add More Solar Panels to an Existing System?

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Illustration of a roof with solar panels under a partly cloudy sky, beside a bar chart with one shorter bar.

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Faults & Servicing

Why Is My Solar Generating Less Than It Used To?

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Illustration of a house with solar panels and a folder of paperwork: a certificate, a warranty document and a phone showing a monitoring app.

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Faults & Servicing

Solar Installer Gone Bust? Who Looks After Your System Now

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Three-step check: when was the Article 4 direction made, does it list solar (Part 14 Class A or Part 40 Class A), and which elevations it covers. Designed graphic.

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Planning & Grid

Article 4 Directions and Solar Panels in London: Borough List

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Hanchu HOME-ESS-LV-9.4K wall-mounted battery below a HESS-HY-S hybrid inverter in a garage in warm morning light. Illustrative image, not an SPL installation.

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Battery Storage

How Long Do Solar Batteries Last?

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A white wall-mounted home battery below a white hybrid inverter on a grey garage wall.

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Battery Storage

FoxESS EP6, EP12 or CQ7: Which Battery?

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Hanchu HESS-HY-S hybrid inverter above a Hanchu HOME-ESS-LV-9.4K wall-mounted battery in a home setting. Illustrative image, not an SPL installation.

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Battery Storage

What Size Solar Battery Do I Need?

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A surveyor holding a tablet in a back garden, looking up at the rear slate roof of a London terrace.

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Solar Panels

What Happens at a Solar Survey?

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Two installers in helmets on a scaffold platform fitting black solar panels onto the slate roof of a London terrace.

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Solar Panels

How Solar Installation Works, Step by Step

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Close-up of a black mesh bird guard fitted around the edge of black solar panels on a red tiled roof.

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Faults & Servicing

Pigeon-Proofing Solar Panels

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The rear of a Victorian London terrace with blue solar panels fitted on its slate roof.

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Planning & Grid

Keeping Your Feed-in Tariff When You Upgrade

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Close-up of the front panel of a white solar inverter with a single amber warning light lit.

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Faults & Servicing

Signs Your Solar Inverter Is Failing

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An older grey string inverter with a rotary isolator switch mounted on a whitewashed brick garage wall.

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Faults & Servicing

Replacing a Solar Inverter on a Feed-in Tariff System

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Victorian terraced house under scaffolding, half of the roof stripped to battens and membrane and half re-covered in new slate. Illustrative image.

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Roofing

Do You Need a New Roof Before Solar?

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Two installers in harnesses and hard hats handling a solar panel on a slate roof behind a scaffold guard rail, with other panels stacked ready. Illustrative image, not an SPL installation.

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Roofing

Can Solar Panels Be Removed for Roof Repairs?

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Rear view of London Victorian terraces with ten black solar panels on one slate roof between chimney stacks and rooflights. Illustrative image, not an SPL installation.

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Roofing

Is My Roof Suitable for Solar Panels? A London Guide

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Back of a London brick terrace seen from the garden, with a single row of black solar panels on the slate roof. Illustrative image, not an SPL installation.

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Planning & Grid

Do You Need Planning Permission for Solar Panels in London?

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London terraced street at dusk with solar panels on one roof and a single lamp lit in a front window. Illustrative image.

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Battery Storage

Do Solar Panels Work in a Power Cut? What Keeps Running

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Black solar panels on a weathered slate roof under a grey autumn sky, with leaves caught along the lower edge. Illustrative image, not an SPL installation.

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Faults & Servicing

Solar Panels Not Generating? What to Check First

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Row of London terraced houses on a sunny day with solar panels on several roofs. Illustrative image.

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Faults & Servicing

Why Does My Inverter Shut Down on Sunny Days?

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Solar inverter and isolator installation on a wall by Solar Panels London

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Battery Storage

Can You Add a Battery to Existing Solar Panels?

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Green Fern

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Solar Panels

Typical Energy Usages & Recommendations

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Yellow Flower

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Planning & Grid

Solar Export Limits UK: How Much Can You Export to the Grid?

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Orange Flower

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Solar Panels

How to Choose the Right Solar Panel System

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Purple Flower

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Solar Panels

Solar Panel Oversizing Explained

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Lilac Flower

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Battery Storage

SolarEdge Inverters and Batteries Explained

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Illustration of a terraced house at night with solar panels and a home battery glowing on the side wall

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Battery Storage

Octopus Flux Explained: Charging Your Battery Overnight

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Rows of ground-mounted solar panels in a grassy field with the sun low behind clouds. Illustrative image.

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Solar Panels

Solar Panel Performance Explained

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Three FoxESS stackable home battery units of increasing height.

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Battery Storage

Are Solar Batteries Worth It?

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Two rows of ground-mounted solar panels on steel frames in a grass paddock behind a brick farmhouse in the English countryside. Illustrative image, not an SPL installation.

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Solar Panels

Ground-Mounted Solar Panels for Homes: A UK Guide

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Illustration of a phone showing no Wi-Fi while the inverter in the loft keeps generating in the sunshine

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Faults & Servicing

Solar Monitoring App Offline? How to Get It Back Online

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Collage of a tiled roof with solar panels, a hybrid inverter above a stacked home battery, and panels being cleaned with a brush.

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Solar Panels

How to Get the Most from Your Solar Panels

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Aerial view of a tiled roof with solar panels arranged across several faces around rooflights.

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Solar Panels

Best Direction and Angle for Solar Panels in the UK

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Wall-mounted home battery and a connection box in a garage on a frosty day, cables running in conduit. Illustrative image of generic equipment.

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Faults & Servicing

Why Is My Solar Battery Not Charging?

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Solar Panels London (SPL) Ltd. Bringing green energy to your home since 2022.

Solar Panels London (SPL) Ltd. Bringing green energy to your home since 2022.

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