Practical energy articles
Practical guides for your next step
Micro Hydro Costs: The Site Work a Cheap Turbine Price Leaves Out
Plan micro hydro costs beyond the turbine: surveys, intake, penstock, civil works, permissions, electrical equipment and ongoing care.
Read the article →63General articles · Small wind planningWhat Does a Small Home Wind Turbine Cost Beyond the Turbine Itself?
Plan the full cost of a small home wind turbine: site checks, tower, foundations, electrical controls, installation, storage and maintenance.
Read the article →62General articles · Solar and batteriesYour Solar Battery Fills by Noon: Where Is the Rest of the Energy Going?
Find out where surplus solar goes when a battery is full: household use, permitted export or curtailment, with a simple worked example.
Read the article →61Power-cut preparedness · Safe checksPower Cut or a Tripped Circuit? The Safe Checks Before You Call for Help
Check for danger, gather safe observations and find the right UK help for a suspected power cut or tripped circuit.
Read the guide →60Garden water · Practical comparisonRainwater Collection or an Atmospheric Water Generator for Garden Use?
Compare rainwater storage with water-from-air machines for garden demand, dry spells, electricity use and upkeep.
Read the article →59Energy projects · Buying wiselyBefore Buying an Energy Guide: Separate the Download Price From the Build Cost
Separate the price of an energy download from equipment, installation and ownership costs before starting a project.
Read the article →58Wind & solar · Winter planningAdding Wind to an Off-Grid Solar System: A Winter Feasibility Checklist
Assess your winter energy gap, site wind, charging compatibility and full costs before adding a turbine to off-grid solar.
Read the article →57Water from air · Buying questionsAtmospheric Water Generators in Cool UK Weather: Questions to Ask Before Buying
Check cool-condition output, electricity use, water treatment and service support before buying an atmospheric water generator.
Read the article →56Off grid · Energy planningMore Battery Capacity or Lower Energy Use: Which Helps a Small Off-Grid Home?
Compare extra battery storage with cutting daily demand, and check how the system will recharge after poor weather.
Read the article →55Solar · Household planningSolar Water Heating or Solar PV for a Small Household: Questions to Start With
Compare hot-water demand, storage, roof space and useful output before choosing solar thermal or solar PV.
Read the article →54Micro hydro · Autumn maintenanceMicro Hydro in Autumn: Plan for Leaves, Silt and Intake Maintenance
Prepare for leaves, sediment and intake checks with a practical autumn monitoring and maintenance plan.
Read the article →53Water · Household costsWhat Does Water From Air Cost per Litre? A Household Calculation Guide
Calculate electricity, maintenance and equipment costs per usable litre, with a worked household example.
Read the article →52Solar · Water pumpingA Solar Pump for a Smallholding: Size It by Litres per Day and Lift
Work out daily water demand, pumping head and storage before choosing a solar pump for your holding.
Read the article →51Rainwater · Winter maintenanceWinterising a water butt and garden Irrigation: what needs draining?
Find out what needs draining before frost, from the water butt and hoses to timers, pumps and irrigation lines.
Read the article →50Rainwater · Used IBC tanksIs a used IBC tank suitable for collecting garden rainwater?
Check previous contents, support, overflow and water quality before choosing a second-hand rainwater tank.
Read the article →49Battery storage · Cycle lifeWhat does 3,000 battery cycles mean for a portable power station?
Understand partial cycles, capacity retention, realistic runtime and the limits of lifespan claims.
Read the article →48Rainwater · TroubleshootingWater butt not filling when it rains? Check the diverter and overflow
Follow the rainwater route and check diverter height, blocked hoses, leaks and overflow behaviour.
Read the article →47Solar power · Series or parallelSolar panels in series or parallel: what suits a small off-grid system?
Compare voltage, current, cable losses and shading, with practical controller checks for a small off-grid system.
Read the article →46Solar power · Winter panel anglesShould you change your solar panel angle for winter in the UK?
Compare 30° and 60° with a worked winter-energy example, shading checks and practical mounting advice.
Read the article →45Micro hydro · Batteries and peak demandDo You Need Batteries With Micro Hydro? Continuous Supply vs Peak Loads
Compare battery-free and battery-backed hydro, with worked peak-load, recharge and reserve examples.
Read the article →44Off-grid power · Inverter standbyWhere Did the Battery Power Go? Inverter Standby Use in a Small Off-Grid System
Calculate hidden inverter consumption, investigate overnight battery drain and check whether ECO mode suits your loads.
Read the article →43Camping · Wind versus solarPortable Wind Turbine or Solar Panel for an Exposed Campsite?
Compare realistic charging output, pitch space, battery compatibility and weather limits for your next trip.
Read the article →42Small wind · Noise and neighboursSmall Wind Turbine Noise: Questions to Ask When Neighbours Are Nearby
Check acoustic data, siting, vibration, planning and neighbour conversations before choosing a turbine.
Read the article →41Micro hydro · Daily energyA 100W Stream Running All Day: What Could That Energy Actually Support?
Explore what continuous 100W generation could support, with a daily appliance budget, batteries and practical limits.
Read the article →40Planning · England 2026Do You Need Planning Permission for DIY Home Solar or Wind Setups?
Check the updated solar rules, turbine restrictions, electrical safety and network requirements before buying.
Read the article →39Solar basics · Getting startedHow to Solar Power Your Home
An easy guide to panels, batteries, starter kits and planning solar for your home.
Read the article →38Small wind · 12V battery systemsCan a Small Wind Turbine Charge a 12V Battery Reliably?
Check charging compatibility, daily demand, calm-weather reserve and recovery time before buying a turbine.
Read the article →37Small wind · Useful chargingCut-In Wind Speed vs Useful Output: Why a Spinning Turbine May Charge Very Little
Understand cut-in speed, power curves and the daily energy balance behind useful battery charging.
Read the article →36Small wind · Trees and turbulenceIs a Small Wind Turbine Worth It in a Garden Surrounded by Trees?
Assess tree shelter, tower height, expected energy and the full cost before buying a garden turbine.
Read the article →35Micro hydro · Energy balanceCan a Pond Pump and Turbine Power Themselves? Follow the Energy Balance
Follow pump and turbine losses, check head and flow, and understand why a closed loop cannot power itself.
Read the article →34Cabin water · Gravity and pressureGravity-Fed Water or a Pressure Pump for an Off-Grid Cabin?
Compare gravity pressure, pump energy, shower requirements and practical water-supply arrangements.
Read the article →33Solar pumping · Battery storageSolar Water Pump With Battery Backup: Do You Need Water After Sunset?
Compare battery backup with stored water, including evening runtime, pressure and next-day recharging.
Read the article →32Rainwater · Allotment planningRainwater From a Shed Roof: How Much Can You Collect for an Allotment?
Calculate shed roof collection and compare usable storage with your allotment watering needs.
Read the article →31Micro hydro · Off-grid cabinsCan a Seasonal Stream Power an Off-Grid Cabin?
Assess seasonal hydro output, cabin loads and a practical plan for the weeks when water runs low.
Read the article →30Rainwater · Small-garden planningTwo Linked Water Butts or One Larger Tank: Which Suits a Small Garden?
Compare linked butts and a larger tank for space, usable water, overflow and easy garden watering.
Read the article →29Energy basics · Clean energyWhat Are Examples of Clean Energy?
Compare solar, wind, water and other energy options, with practical examples and clear explanations of their limits.
Read the article →28Solar technology · Panel selectionMonocrystalline Solar Panel
Understand single-crystal silicon, efficiency, real-world output and the checks that matter before buying.
Read the article →27Shed solar · Upgrade planningAdding Panels or a Battery to a Shed System: Which Problem Are You Solving?
Distinguish generation shortages, storage limits and power trips before buying more panels or a battery.
Read the article →26Garden office · Editable load plannerA Solar-Powered Summerhouse Office: Laptop, Monitor and Router Load Planner
Calculate daily laptop, monitor and router energy, account for inverter losses and plan useful battery capacity.
Read the article →25Shed solar · Weekend useShed Solar Kit With a Battery: Size It for Weekend Use, Not Just Summer Sun
Work out usable battery capacity, weekday recovery and seasonal panel requirements before choosing a kit.
Read the article →24Cabin power · Overnight loadsA Small Cabin’s Night-Time Loads: When Keeping the Inverter On Makes Sense
Compare essential appliances, inverter idle consumption and ECO mode with a practical overnight energy budget.
Read the article →23Small wind · Reading the power curveA 1kW Wind Turbine Does Not Produce 1kW All Day: Read the Power Curve
Understand rated power, changing wind speeds and realistic energy output with a worked daily example.
Read the article →22Portable solar · Practical limitsPortable Solar for Renters Without a Balcony: What Is Realistically Possible?
Assess window charging, shared outdoor space and realistic energy output before buying portable solar equipment.
Read the article →21Solar power · Installation explainedHow Are Solar Panels Installed?
Understand the survey, scaffolding, mounting, electrical work and documents to expect at handover.
Read the article →20Solar power · Materials explainedWhat Are Solar Panels Made Of?
Explore silicon cells, protective layers, glass, metals and recycling, with a simple labelled diagram.
Read the article →19Solar power · Practical comparisonAdvantages and Disadvantages of Solar Energy
Compare costs, seasonal output, storage and roof suitability before deciding whether solar fits your needs.
Read the article →18Renewable energy · Site assessmentSolar, Wind or Micro Hydro: Compare the Resources on Your Own Plot
Compare shade, wind exposure, water flow and seasonal energy before choosing equipment for your land.
Read the article →17Off-grid power · Reserve planningThree Cloudy Days Off Grid: Build a Reserve Plan for Essential Appliances
Budget for 72 hours of essential loads, protect battery reserve and set a practical fallback trigger.
Read the article →16Small wind · Site preparationHow to Prepare a Wind-Site Log Before Asking an Installer for a Quote
Prepare a sketch, photo record and observation log that helps an installer assess your site.
Read the article →15Solar storage · Winter preparationKeeping a Solar Battery in an Unheated Garage: What to Check Before Winter
Review charging limits, internal temperature, damp, protection settings and approved winter options.
Read the article →14Shed solar · Roof suitabilitySolar Panels on a Lightweight Shed Roof: Questions for Your Installer
Ask about structural checks, wind loads, mounting, weatherproofing and alternatives before installation.
Read the article →13Battery backup · Fridge runtimeSolar Generator for a Fridge: Calculate Runtime From Measured Daily Use
Measure daily energy use and account for battery losses, compressor starting and solar recharge.
Read the article →12Rainwater · Storage planningRainwater Tank Too Small in Summer? Size Storage Around Dry Spells
Calculate dry-spell demand, usable capacity and roof refill potential before buying a larger tank.
Read the article →11Greenhouses · Passive solarHow to Generate Solar Power Without Panels for a Greenhouse: What Actually Works
Explore solar heat, thermal storage and electricity-free ventilation—and understand what cannot power a pump or light.
Read the article →10Small wind · Property planningRoof-Mounted or Pole-Mounted Wind Turbine for a Small Property?
Compare roof and pole mounting, assess the wind resource and ask better questions before buying.
Read the article →09Solar irrigation · Garden planningSolar Drip Irrigation From a Water Butt: How to Check Lift, Pressure and Flow
Measure lift, match pump pressure and flow, and test delivery before choosing your watering system.
Read the article →08Shed solar · Inverter planning240V Solar Power for a Shed: Why the Inverter Matters as Much as the Panels
Understand continuous output, start-up surges, battery demands and idle losses before choosing an inverter.
Read the article →07Shed solar · Cordless toolsCan a Small Shed Solar Kit Charge Cordless Tool Batteries?
Calculate charging energy, check inverter compatibility and plan for seasonal sunlight.
Read the article →06Solar power · Practical planningSolar Panels for a Shaded Shed: Map the Shade Before Buying a Kit
Map daily and seasonal shadows, calculate your energy needs and assess a kit before buying.
Read the article →05Solar & storageSolar Battery Not Charging in Cold Weather? Checks Before You Call the Installer
Temperature alerts, charging schedules and the safe observations that help you get the right support.
Read the article →01Energy basicsFree energy: what does it actually mean?
A practical review of renewable energy, perpetual-power claims and the questions to ask before buying a guide.
Read the article →02Solar powerSolar power for beginners: start with your home
Review the practical questions that matter before choosing panels, a guide or a home-energy project.
Read the article →03Backup & off-gridBackup power: plan for the essentials first
A beginner’s review of power ratings, battery capacity and realistic outage planning.
Read the article →04Practical planningYour first home-energy plan: seven useful checks
Review your needs and compare energy ideas with a simple, practical checklist.
Read the article →Looking into an energy guide?
Start with our review of “free energy” claims, then examine the seller’s presentation with clear questions in mind. A digital guide is not proof of a working power system.
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