Guides
Plug-in solar guides
Clear, independent guidance on how plug-in solar works, the UK rules and whether it suits your property.
- Comparisons
400W vs 800W plug-in solar: which size to choose
How 400W and 800W systems compare on output and savings, and why bigger isn't always better.
Read guide - Inverters & components
Anti-islanding: the safety function that protects the grid
What anti-islanding is, why it's essential grid safety, and how it relates to G98 and UK rules.
Read guide - Savings & payback
Are solar panels worth it in the UK? How to decide
Five things decide it: your roof, daytime usage, the price you pay, how long you'll stay, and export terms.
Read guide - Mounting & placement
Balcony solar mounting: railing brackets and angles
Railing brackets, vertical vs angled positioning, and the security and permission points for a balcony setup.
Read guide - Comparisons
Balcony solar vs garden solar: which placement wins?
Orientation, shading, mounting and cabling — how balcony and garden placements compare.
Read guide - Mounting & placement
Ballasted solar mounts: weighted, no-drill mounting
Weighted mounts that avoid drilling — how they work on flat roofs and the ground, and the safety points.
Read guide - Panels & output
Bifacial solar panels: do they help plug-in solar?
How bifacial panels capture light on both sides, and when the extra output is actually worth it.
Read guide - Inverters & components
BS 1363 and plug-in solar: the plug question
What BS 1363 is, and why plugging a generator into a standard UK socket sits at the heart of the debate.
Read guide - Export & tariffs
Can plug-in solar export to the grid?
What happens to electricity you don't use? Whether plug-in solar exports, and what that's worth.
Read guide - Inverters & components
Do solar panels work in a power cut?
Usually no — and deliberately so. Why grid-tied solar shuts down, and what real backup requires.
Read guide - Installation
Do you need an electrician for plug-in solar?
Is plug-in solar truly plug-and-play, or do you need a professional? We explain when to call an electrician.
Read guide - Output & savings
East vs west-facing solar panels
South isn't the only option. How east and west compare for output and timing.
Read guide - Panels & output
Facts about solar energy that are actually true
The physics, the history and the UK-specific facts — checked, sourced, and minus the recycled myths.
Read guide - Mounting & placement
Fence-mounted solar panels: what to consider
Whether a fence can take a panel, how to orient it, and the wind-security and safety points to check first.
Read guide - Placement
Flat roof solar panels: angles and mounting
Flat roofs need an angle and a mounting plan. What that means for output and weight.
Read guide - Equipment
Flexible solar panels: what to know in the UK
Lightweight and bendable, but with real trade-offs. Where flexible panels make sense — and where they don't.
Read guide - Safety & compliance
G98 notification explained
G98 is how small generation is notified to the grid. What it means for plug-in solar.
Read guide - Inverters & components
Grid-tie inverters: how they work and the UK position
How grid-tie inverters synchronise with the mains, the types, and where they stand legally in the UK.
Read guide - Placement
Ground-mounted solar panels in the UK
A garden frame can give you the ideal angle and no roof access. Here's how ground-mounting works.
Read guide - Panels & output
How do solar panels work? The plain-English version
Light in, electricity out: the photovoltaic effect, cells to inverters, explained without the jargon.
Read guide - Panels & output
How many solar panels does it take to power a house?
The three-step method: annual usage ÷ yield per panel — with every assumption out in the open.
Read guide - Output & savings
How much does a 400W solar panel generate?
What one 400W panel realistically produces across a UK year.
Read guide - Performance
How much electricity can an 800W system generate?
What can you actually expect from an 800W system? We explain the factors that change real-world output.
Read guide - Panels & output
How much electricity does a 300W solar panel generate?
What a compact 300W panel realistically produces across a UK year, and where it fits in a plug-in setup.
Read guide - Panels & output
How much electricity does a 450W solar panel generate?
What a 450W panel realistically produces in the UK, and how two pair with an 800W microinverter.
Read guide - Panels & output
How much electricity does a 500W solar panel generate?
What a large-format 500W panel realistically produces across a UK year, and how it pairs with an 800W microinverter.
Read guide - Mounting & placement
How solar panels are installed on a house
Survey to commissioning: what actually happens during a rooftop installation, and the paperwork after.
Read guide - Products & compliance
How to clean small solar panels safely
When cleaning is worth it, the gentle method that won't damage the panel, and the safety points.
Read guide - Products & compliance
How we assess plug-in solar products
What we weigh up, the evidence we require, and why we never invent reviews or compliance.
Read guide - Mounting & placement
Integrated (in-roof) solar panels: the trade-offs
In-roof vs on-roof: flusher looks and tile replacement versus cooling, cost and flexibility.
Read guide - Direction & shading
Is my roof suitable for solar panels? The checklist
Direction, pitch, shading, space, structure, condition — the six checks, and the plan B if you fail them.
Read guide - Mounting & placement
Juliet balcony solar: mounting on a railing with no floor
Mounting a panel on a Juliet balcony's railing, the output trade-offs, and the permissions to check.
Read guide - Permissions
Landlord and freeholder permission for plug-in solar
Renting or leasehold? What permission you may need before setting up plug-in solar.
Read guide - Inverters & components
MC4 connectors explained
What MC4 connectors are, why they're the solar standard, and the safety points for handling DC connections.
Read guide - Inverters & components
Microinverter compatibility: matching panels and inverter
How to check a microinverter suits your panels — power, voltage and current matching, and why a kit is simplest.
Read guide - Technical
Microinverter vs string inverter
Two ways to convert solar power. How microinverters and string inverters compare.
Read guide - Technical
Microinverters explained
The component that makes plug-in solar possible. What microinverters do and why they matter.
Read guide - Direction & shading
North-facing balcony solar: is it worth it?
How much output a north-facing balcony loses, and the situations where it can still be worthwhile.
Read guide - Comparisons
One panel vs two panel solar: which suits you?
Beyond wattage — how panel count changes space, mounting, orientation and monitoring.
Read guide - Inverters & components
Optimisers vs microinverters: which is which?
How power optimisers and microinverters differ at panel level, and why plug-in solar uses microinverters.
Read guide - Safety & compliance
Plug-in solar and electrical safety
Electrical safety is the heart of the plug-in solar debate. The key principles, in plain English.
Read guide - Savings & payback
Plug-in solar and export limitation explained
What export limitation and zero-export mean, and how some microinverters cap or prevent grid export.
Read guide - Permissions
Plug-in solar and home insurance
Will plug-in solar affect your home insurance? What to consider and why to check.
Read guide - Permissions
Plug-in solar and planning permission
Do you need planning permission for plug-in solar? The general position and the exceptions.
Read guide - Savings & payback
Plug-in solar and smart meters: how they interact
How a smart meter sees plug-in solar, why self-consumption cuts recorded import, and the open questions.
Read guide - Property guides
Plug-in solar for balconies
Balcony solar is hugely popular across Europe. Here's what to know for a UK balcony setup.
Read guide - Property guides
Plug-in solar for flats and apartments
Limited roof access doesn't always mean no solar. What flat and apartment dwellers should consider.
Read guide - Property guides
Plug-in solar for gardens
A garden can be an ideal spot for a small, well-angled solar setup. Here's how to plan it.
Read guide - Rules & permissions
Plug-in solar for leasehold flats: what to check
Lease terms, freeholder and managing-agent consent, and the shared-building points leaseholders should check.
Read guide - Rules & permissions
Plug-in solar for listed buildings and conservation areas
Why listed buildings and conservation areas need extra care, and the consents to check first.
Read guide - Property guides
Plug-in solar for rented homes
Removable, portable setups make plug-in solar worth considering for rented homes.
Read guide - Property guides
Plug-in solar for sheds and garden rooms
Sheds and garden rooms are natural candidates for a small, dedicated solar setup.
Read guide - Rules & permissions
Plug-in solar for social housing tenants
Tenancy terms, landlord permission and removable setups — what social housing tenants should check.
Read guide - Rules & permissions
Plug-in solar in Northern Ireland: the separate position
Why Northern Ireland sits outside the GB consultation, and how its arrangements differ.
Read guide - Output & savings
Plug-in solar in winter
Solar still works in winter — just less. What to expect from the darker months.
Read guide - Products & compliance
Plug-in solar maintenance: keeping a system healthy
Cleaning, checking fixings and connectors, watching monitoring — what upkeep actually involves.
Read guide - Mounting & placement
Plug-in solar mounting systems: a practical guide
The main ways to mount panels — balcony, wall, fence, ground and flat roof — and the safety and orientation points that matter.
Read guide - Savings & payback
Plug-in solar payback period: how to think about it
The factors that drive payback, why estimates vary widely, and how to get a realistic figure.
Read guide - Products & compliance
Plug-in solar product compliance checklist
What a plug-in solar product would need to be UK-compliant — and why none can tick every box yet.
Read guide - Comparisons
Plug-in solar versus rooftop solar
Two very different approaches to home solar. We compare cost, output, effort and flexibility side by side.
Read guide - Comparisons
Plug-in solar vs a portable power station
Two different tools for different jobs. How plug-in solar compares with a power station.
Read guide - Comparisons
Plug-in solar vs a portable solar panel
Fixed home generation versus a fold-up panel for charging — what each is really for.
Read guide - Products & compliance
Plug-in solar with battery storage: is it worth it?
How a battery changes self-consumption and cost for plug-in solar — and the trade-offs to weigh up.
Read guide - Comparisons
Portable solar panels for home use: what works
What a portable panel can genuinely do at home, what it can't, and how to choose one without the hype.
Read guide - Panels & output
Rigid vs flexible solar panels: which suits plug-in solar?
Glass-and-aluminium versus bendable panels: durability, output, weight and where each makes sense.
Read guide - Direction & shading
Shading and plug-in solar: why small shadows matter
Why even partial shade hits output hard, and how to find a position that stays sunny through the day.
Read guide - Panels & output
Small solar panels: uses, sizes and limits
From 10W trickle chargers to compact balcony panels: what small panels realistically power, and where their limits are.
Read guide - Products & compliance
Solar battery storage: how home batteries work
Capacity vs power, AC vs DC coupling, what a battery changes about savings — and the balcony-storage angle.
Read guide - Inverters & components
Solar cables and connectors: a plain guide
Cable types, why solar cable is special, extension leads and safe routing for a plug-in solar setup.
Read guide - Inverters & components
Solar inverters: how they work and the types explained
What an inverter does, the difference between string, micro and hybrid types, and why plug-in solar uses microinverters.
Read guide - Mounting & placement
Solar panel brackets: types and how to choose
Clamps, rails, angled frames and A-frames — how to match a bracket to your surface, safely.
Read guide - Direction & shading
Solar panel direction and angle: getting it right
How orientation and tilt change output — the ideal angle, how south/east/west compare, and the cost of vertical mounting.
Read guide - Panels & output
Solar panel efficiency: what the percentage buys you
What the efficiency % actually measures, and the only situation where paying more for it makes sense.
Read guide - Savings & payback
Solar panel finance: the ways people pay for solar
Cash, loans, installer finance and 'no upfront cost' offers — what each really means for the total you pay.
Read guide - Savings & payback
Solar panel grants in the UK: what actually exists
What support genuinely exists for solar in the UK, why plug-in solar has none yet, and where to check.
Read guide - Panels & output
Solar panel lifespan and warranties explained
How long panels last, how output declines over time, and product versus performance warranties.
Read guide - Technical
Solar panel monitoring
Monitoring tells you what your system is really doing. What to look for and why it helps.
Read guide - Inverters & components
Solar panel optimisers explained
What power optimisers do, how they differ from microinverters, and whether they're relevant to plug-in solar.
Read guide - Panels & output
Solar panel sizes: dimensions, weight and fit
Typical dimensions and weights by panel class, and how to check what physically fits your space.
Read guide - Panels & output
Solar panel wattage guide: sizes and real-world output
What panel wattage actually means, how the common sizes compare, and the realistic output to expect in the UK.
Read guide - Savings & payback
Solar self-consumption: turning generation into savings
Why plug-in solar only saves on the electricity you use while generating — and how to raise your self-consumption.
Read guide - Comparisons
Solar thermal vs solar PV: two different technologies
One heats water, one makes electricity — how the two solar technologies differ and why PV now dominates.
Read guide - Savings & payback
The disadvantages of solar panels, honestly
Upfront cost, the timing mismatch, winter output, property constraints — the drawbacks, without spin.
Read guide - Export & tariffs
The Smart Export Guarantee and plug-in solar
Could you be paid for exported electricity? What the SEG is and where plug-in solar stands.
Read guide - Panels & output
Types of solar panels: a plain-English tour
Mono, poly, thin-film, bifacial, flexible, integrated — what each is and which distinctions actually matter.
Read guide - Direction & shading
Vertical solar panels: how much output do you lose?
How vertical mounting compares with a tilted panel, and when a wall or railing still makes sense.
Read guide - Mounting & placement
Wall-mounted solar panels: a practical guide
Bracket types, orientation and secure fixing for mounting a panel on a wall — plus the safety points that matter.
Read guide - Direction & shading
What affects plug-in solar output? The key factors
Location, orientation, tilt, shading, temperature and size — the factors that decide real output.
Read guide - Comparisons
What can a 2000W solar generator power?
What a 2000W power station can realistically run, and why capacity matters as much as power.
Read guide - Savings & payback
What can a 400W solar panel power?
What a single 400W panel can realistically run, and why timing matters more than peak watts.
Read guide - Savings & payback
What can an 800W solar system power?
A realistic look at what an 800W system can run in a UK home — and why timing matters more than peak power.
Read guide - Savings & payback
What happens to your electricity bill with solar panels?
Why there's no single 'average bill with solar', what falls, what stays — and how to estimate yours.
Read guide - Rules & permissions
What is a DNO? Applications, letters and solar
The company behind your local electricity network — and why solar owners meet it through G98/G99.
Read guide - Technical
Why plug-in solar output is limited
Plug-in solar is deliberately small. Why that is, and what it can realistically offset.
Read guide - Savings & payback
Your home's daytime base load (and why it matters for solar)
What your daytime base load is, how to estimate it, and why it's the output a plug-in system most easily offsets.
Read guide