{ "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://kilowatts.uk#organization", "inLanguage": "en-GB", "name": "kilowatts.uk", "url": "https://kilowatts.uk", "logo": { "@type": "ImageObject", "url": "https://kilowatts.uk/images/kw-logo-large.png" }, "description": "kilowatts.uk is the UK's renewable energy marketplace — connecting homeowners and businesses with MCS-certified solar, heat pump, battery storage, wind power, and EV charging installers, with free comparison tools and independent guides.", "contactPoint": [ { "@type": "ContactPoint", "telephone": "+448000096058", "contactType": "customer service", "contactOption": "TollFree", "areaServed": "GB", "availableLanguage": "English" }, { "@type": "ContactPoint", "telephone": "+447378472152", "contactType": "mobile", "areaServed": "GB", "availableLanguage": "English" } ], "sameAs": [ "https://www.facebook.com/kilowatts.uk", "https://www.instagram.com/kilowatts.uk", "https://www.tiktok.com/@kilowatts.uk", "https://www.youtube.com/@kilowattsuk", "https://twitter.com/kilowattsuk" ], "address": { "@type": "PostalAddress", "streetAddress": "Carey, Northwood Rd", "addressLocality": "Broadstairs", "postalCode": "CT10 2RZ", "addressCountry": "GB" }, "hasPart": [ { "@id": "https://kilowatts.uk#organization/local" }, { "@type": "WebApplication", "@id": "https://kilowatts.uk/#solar-residential-app", "name": "Residential Solar Panel Comparison Tool", "url": "https://kilowatts.uk/services/residential/renewable-energy/residential-solar-panel-installation/compare/", "applicationCategory": "Utility", "operatingSystem": "All" }, { "@type": "WebApplication", "@id": "https://kilowatts.uk/#solar-commercial-app", "name": "Commercial Solar Comparison Tool", "url": "https://kilowatts.uk/services/commercial/renewable-energy/commercial-solar-panel-installation/compare/", "applicationCategory": "BusinessApplication", "operatingSystem": "All" }, { "@type": "WebApplication", "@id": "https://kilowatts.uk/#solar-industrial-app", "name": "Industrial Solar Comparison Tool", "url": "https://kilowatts.uk/services/industrial/renewable-energy/industrial-solar-panel-installation/compare/", "applicationCategory": "BusinessApplication", "operatingSystem": "All" }, { "@type": "WebApplication", "@id": "https://kilowatts.uk/#wind-tool", "name": "Wind Turbine Calculator", "url": "https://kilowatts.uk/services/wind-power/flower-turbines/", "applicationCategory": "Utility", "operatingSystem": "All" } ] }, { "@type": "WebSite", "@id": "https://kilowatts.uk/#website", "url": "https://kilowatts.uk", "name": "kilowatts.uk", "description": "kilowatts.uk is the UK's renewable energy marketplace — connecting homeowners and businesses with MCS-certified solar, heat pump, battery storage, wind power, and EV charging installers, with free comparison tools and independent guides.", "publisher": { "@type": "Organization", "@id": "https://kilowatts.uk#organization" }, "about": { "@id": "https://kilowatts.uk/about-us/#webpage" } }, { "@type": "BreadcrumbList", "name": "Breadcrumb", "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#webpage-breadcrumb", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": { "@id": "https://kilowatts.uk" } }, { "@type": "ListItem", "position": 2, "name": "Resources", "item": { "@id": "https://kilowatts.uk/resources/" } }, { "@type": "ListItem", "position": 3, "name": "Is A Home Battery Worth It? How To Calculate The Payback", "item": { "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/" } } ] }, { "@type": "FAQPage", "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#faq", "url": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#faq", "inLanguage": "en-GB", "isPartOf": [ { "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#webpage" }, { "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#content" } ], "mainEntity": [ { "@type": "Question", "name": "Do home batteries save money in the UK?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, home batteries can save money in the UK, but they are not guaranteed to pay for themselves. A battery saves money when the electricity it stores is cheaper, or has lower alternative value, than the electricity it later replaces. The strongest results usually come from homes with regular solar surplus, high evening or overnight electricity use, and access to a suitable time-of-use tariff. Savings are weaker where usage is low, export payments are high, the battery is oversized, the tariff gap is small, or the system is poorly configured." } }, { "@type": "Question", "name": "How does a home battery reduce electricity bills?", "acceptedAnswer": { "@type": "Answer", "text": "A home battery reduces bills by storing electricity for later use. This electricity may come from surplus solar panels, cheap off-peak grid electricity, or a mix of both. The stored electricity is then used during more expensive periods, reducing the amount bought from the grid at higher unit rates. The saving depends on how many kWh the battery usefully shifts, the difference between charging and discharging value, and the energy lost through the battery cycle." } }, { "@type": "Question", "name": "How do I calculate home battery payback?", "acceptedAnswer": { "@type": "Answer", "text": "A simple payback estimate is installed cost divided by annual saving. The difficult part is estimating the annual saving accurately. For solar charging, the value of stored electricity is usually the avoided import price minus the export payment you give up, with an allowance for battery losses. For grid charging, the value is the avoided peak or standard-rate electricity minus the off-peak charging cost, adjusted for efficiency. A realistic calculation should use usable battery capacity, expected annual discharge, import and export tariffs, degradation, warranty terms, finance costs, and any extra installation or electrical upgrade costs." } }, { "@type": "Question", "name": "Is a solar battery better than a standalone battery?", "acceptedAnswer": { "@type": "Answer", "text": "A battery installed with solar panels is often easier to justify financially because it can store surplus solar electricity that might otherwise be exported at a lower rate. A standalone battery can still save money, but it relies more heavily on the gap between cheap off-peak import prices and higher peak or standard prices. If that tariff gap narrows, the financial return from a standalone battery can weaken. Some homes use both approaches, storing solar when available and charging from the grid during cheap-rate periods when solar generation is low." } }, { "@type": "Question", "name": "What affects home battery payback?", "acceptedAnswer": { "@type": "Answer", "text": "Home battery payback depends on installed cost, usable capacity, daily discharge, import tariff, export tariff, battery efficiency, degradation, warranty terms, finance costs, and how often the battery is used. The timing of electricity use matters more than annual consumption alone. A battery that charges and discharges usefully most days will usually perform better financially than one that sits partly full, cannot fully charge during cheap-rate windows, or is held back by unsuitable settings." } }, { "@type": "Question", "name": "How long does a home battery take to pay for itself?", "acceptedAnswer": { "@type": "Answer", "text": "Many UK home battery payback periods are around 8 to 15 years, but the range can be much wider. Payback may be shorter where the household has high evening demand, plenty of solar surplus, low export value, a strong off-peak tariff, and a competitive installed cost. It may be longer where electricity use is low, export payments are attractive, the battery is oversized, finance costs are high, or extra electrical work is needed. Any payback estimate should be compared with the warranty period and tested against less favourable tariff scenarios." } }, { "@type": "Question", "name": "Does a home battery remove the electricity standing charge?", "acceptedAnswer": { "@type": "Answer", "text": "No, a home battery does not remove the electricity standing charge. Standing charges are fixed daily costs set by the electricity tariff and apply regardless of how much grid electricity you use. A battery can reduce unit-rate electricity costs by reducing imports at expensive times, but most homes will still keep a grid connection and still pay the standing charge." } }, { "@type": "Question", "name": "What size home battery is best?", "acceptedAnswer": { "@type": "Answer", "text": "The best battery size depends on your usable solar surplus, evening and overnight electricity use, tariff, charge rate, discharge rate, inverter output, and whether you want to keep any backup reserve. Many UK homes choose batteries in the 5 kWh to 10 kWh usable capacity range, but bigger is not always better. A correctly sized battery should be large enough to cover regular demand but not so large that much of its capacity sits unused for long periods." } }, { "@type": "Question", "name": "Should I choose the biggest battery I can afford?", "acceptedAnswer": { "@type": "Answer", "text": "Not necessarily. A large battery only makes financial sense if it can be charged and discharged regularly at a worthwhile price difference. If the battery is too large for your normal electricity use, solar generation, or cheap-rate charging window, the extra capacity may add cost without adding enough extra savings. It is usually better to size the battery around smart meter data, solar generation data, evening demand, and tariff assumptions rather than budget alone." } }, { "@type": "Question", "name": "What is the difference between usable and nominal battery capacity?", "acceptedAnswer": { "@type": "Answer", "text": "Nominal capacity is the headline amount of energy a battery can store, while usable capacity is the amount normally available to the household. Manufacturers often limit usable capacity to protect battery life and maintain warranty conditions. For example, a battery advertised as 10 kWh may provide less than 10 kWh of usable energy in normal operation. Savings calculations should use usable capacity, not just the headline figure." } }, { "@type": "Question", "name": "Why does inverter power matter for a home battery?", "acceptedAnswer": { "@type": "Answer", "text": "The inverter controls how quickly the battery can charge and discharge. For example, a 10 kWh battery with a 3 kW inverter cannot deliver more than about 3 kW at once. If the home’s demand is higher than the inverter output, the property may still import electricity from the grid even when there is energy stored in the battery. Inverter power also affects whether the battery can fully charge during a short off-peak tariff window and whether it can cover high-power appliances." } }, { "@type": "Question", "name": "How do export tariffs affect battery savings?", "acceptedAnswer": { "@type": "Answer", "text": "Export tariffs are important because storing solar electricity usually means giving up the income you would have earned by exporting it. If your export rate is low and your import rate is high, storing solar can be valuable. If your export rate is high, the extra benefit of storing solar may be much smaller once lost export income and battery losses are included. Maximising self-consumption is not always the same as maximising savings." } }, { "@type": "Question", "name": "Can I charge a home battery from the grid?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, many home batteries can be charged from the grid, but the financial case depends on your tariff, battery settings, and supplier rules. Grid charging works best when you can buy electricity cheaply during off-peak periods and use it later when electricity is more expensive. You should check whether your tariff allows grid charging and whether any restrictions apply if you plan to export electricity that was originally imported from the grid." } }, { "@type": "Question", "name": "Do home batteries work well with time-of-use tariffs?", "acceptedAnswer": { "@type": "Answer", "text": "Home batteries can work very well with time-of-use tariffs if the price difference between off-peak and peak electricity is large enough. The battery can charge when prices are low and discharge when prices are high. However, the savings depend on tariff availability, battery efficiency, charge rate, software settings, and whether the household uses enough electricity during expensive periods to make regular discharging worthwhile. Automation and correct tariff programming are especially important on dynamic tariffs." } }, { "@type": "Question", "name": "Do I need a smart meter for a home battery?", "acceptedAnswer": { "@type": "Answer", "text": "A smart meter is not always required for a battery to operate, but it is usually important if you want to access smart time-of-use tariffs or export tariffs that depend on half-hourly metering. Smart meter data is also very useful for sizing the battery and estimating savings accurately because it shows when electricity is imported and exported. Without this data, savings estimates are more likely to rely on broad assumptions." } }, { "@type": "Question", "name": "How much energy is lost when using a battery?", "acceptedAnswer": { "@type": "Answer", "text": "Some energy is lost when electricity is charged into and discharged from a battery. Round-trip efficiency is commonly around 85% to 95%, depending on the battery, inverter, temperature, operating conditions, and charge or discharge rate. This means that not every kWh stored will be available for use later. Realistic savings calculations should include these losses, especially when comparing the value of storing solar with exporting it." } }, { "@type": "Question", "name": "Do home batteries degrade over time?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, home batteries gradually lose usable capacity over time. Many warranties last around 10 years and may guarantee a percentage of the original capacity by the end of that period, often around 60% to 80%. Some warranties also include cycle limits or total throughput limits. A reliable savings estimate should include degradation rather than assuming the battery performs like new forever." } }, { "@type": "Question", "name": "How long does a home battery last?", "acceptedAnswer": { "@type": "Answer", "text": "Many domestic home batteries are designed for around 10 to 15 years of service, although actual life depends on chemistry, installation quality, temperature, cycling, settings, and warranty conditions. A battery may continue working after its warranty period, but with reduced usable capacity. When comparing payback, it is sensible to check whether the expected payback falls comfortably within the warranty period and whether the warranty includes capacity, cycle, or throughput limits." } }, { "@type": "Question", "name": "Can a home battery power my house during a power cut?", "acceptedAnswer": { "@type": "Answer", "text": "Not always. Many standard grid-connected battery systems shut down during a power cut unless backup equipment has been installed. Backup power may require extra wiring, a gateway, islanding protection, or dedicated backup circuits. Whole-home backup is usually more complex and expensive than backing up selected essentials such as lighting, broadband, a fridge, heating controls, and a few sockets." } }, { "@type": "Question", "name": "Can solar panels recharge the battery during a power cut?", "acceptedAnswer": { "@type": "Answer", "text": "Only if the system has been specifically designed to allow it. Many standard grid-tied solar and battery systems shut down during a power cut for safety reasons, even if the sun is shining. If you want the battery to recharge from solar during an outage, the quote should clearly confirm that this function is included, explain any output limits, and state which circuits will be supplied." } }, { "@type": "Question", "name": "Does keeping backup reserve reduce battery savings?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, keeping part of the battery reserved for power cuts can reduce everyday savings. If a battery keeps 20% or 30% in reserve, that capacity is not normally available for daily tariff savings or solar storage. Backup reserve may still be worthwhile for resilience, but it should be included in the financial calculation rather than treated as a free extra." } }, { "@type": "Question", "name": "Is a home battery a good way to charge an electric car?", "acceptedAnswer": { "@type": "Answer", "text": "Usually not as the main charging method. An EV battery is much larger than a typical home battery, so charging an EV can quickly empty a domestic battery. In many cases, it is better to charge the EV directly from a suitable off-peak tariff rather than cycling electricity through a smaller home battery first. A home battery may still help some households extend cheap-rate electricity into the day, but it should not be sized on the assumption that it will regularly fill an EV." } }, { "@type": "Question", "name": "Can a home battery help with a heat pump?", "acceptedAnswer": { "@type": "Answer", "text": "A home battery can help with a heat pump in some homes, especially where there is a suitable off-peak tariff and the battery can support daytime or evening heating demand. However, heat pumps use the most electricity in winter, when solar generation is usually lower. A small battery may be emptied quickly by heating demand, so the battery size, charge rate, tariff, and heat pump operating pattern all need to be assessed together." } }, { "@type": "Question", "name": "How much does a home battery cost in the UK?", "acceptedAnswer": { "@type": "Answer", "text": "Battery-only installations in the UK commonly cost several thousand pounds, often around £4,000 to £10,000 depending on capacity, inverter requirements, equipment, location, and installation complexity. Smaller add-on batteries may be cheaper, while larger systems or complex retrofits can cost more. A combined solar and battery installation for a typical home often costs around £9,000 to £15,000 or more. Adding a battery during a solar installation is often cheaper than retrofitting one later because some design, inverter, labour, and setup costs can be shared." } }, { "@type": "Question", "name": "Does VAT affect the cost of a home battery?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, VAT treatment can affect the installed cost. Under current rules, qualifying residential battery storage installations can be zero-rated for VAT as energy-saving materials in Great Britain until March 2027, but the correct VAT rate can depend on the installation type, location, and date. The quote should clearly state whether VAT is charged at 0%, 5%, or 20% and should not rely on outdated VAT assumptions." } }, { "@type": "Question", "name": "Are there grants for home batteries in the UK?", "acceptedAnswer": { "@type": "Answer", "text": "There is no standard UK-wide grant that simply pays for a home battery for every household. Some local authority, supplier, or regional schemes may include battery storage in specific circumstances, but eligibility and funding change over time. Be cautious with any sales claim that implies a battery grant is automatically available. Always check the scheme rules, qualifying technology, property requirements, and deadlines before relying on any grant in your payback calculation." } }, { "@type": "Question", "name": "What should be included in a home battery quote?", "acceptedAnswer": { "@type": "Answer", "text": "A good quote should show the usable battery capacity, nominal capacity, inverter rating, installed cost, VAT treatment, warranty terms, backup provision, electrical upgrades, monitoring setup, DNO paperwork, installation location, and aftercare. It should also explain the tariff assumptions used in the savings estimate, including import prices, export prices, off-peak prices, battery losses, degradation, and expected daily or annual discharge." } }, { "@type": "Question", "name": "Do home batteries need DNO approval?", "acceptedAnswer": { "@type": "Answer", "text": "Grid-connected battery systems normally require DNO notification or approval because they can export electricity to the network. Smaller systems may fall under G98 rules, while larger or more complex systems may need G99 assessment before connection. Your installer should confirm the correct process, handle the paperwork, and explain any export limits that apply to your property." } }, { "@type": "Question", "name": "Can DNO limits affect battery savings?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, DNO limits can affect how a battery and solar system operate. Export limits, inverter size restrictions, or connection conditions may reduce how much electricity can be exported or how much generation capacity can be connected. These limits can influence battery sizing, inverter choice, solar design, and the value of export or self-consumption. Your installer should explain any DNO constraints before finalising the system design." } }, { "@type": "Question", "name": "Can poor installation reduce battery savings?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, installation quality can have a major effect on savings. Incorrect CT clamp placement, poor tariff settings, unsuitable reserve levels, weak internet connectivity, incorrect commissioning, or incompatible equipment can cause the battery to charge or discharge at the wrong times. This can reduce savings, increase grid imports, and make monitoring data misleading." } }, { "@type": "Question", "name": "Where should a home battery be installed?", "acceptedAnswer": { "@type": "Answer", "text": "Home batteries are commonly installed in garages, utility rooms, suitable external locations, or other appropriate non-habitable spaces. The location must meet manufacturer requirements for temperature, ventilation, access, clearances, weather protection, weight support, and safety. Loft installations can be problematic because of heat, access, structural load, servicing difficulty, and fire considerations. Batteries should not block escape routes and should remain accessible for maintenance." } }, { "@type": "Question", "name": "Are home batteries safe?", "acceptedAnswer": { "@type": "Answer", "text": "Modern home batteries are designed with safety systems, but they still need correct installation, commissioning, and location choice. The installer should follow manufacturer instructions, electrical regulations, DNO requirements, and appropriate fire-safety considerations. Batteries should not block escape routes, should have suitable clearances, and should be accessible for servicing. Homeowners should keep warranty documents, certificates, commissioning records, and user manuals, and should inform their home insurer after installation." } }, { "@type": "Question", "name": "What are the most common mistakes when buying a home battery?", "acceptedAnswer": { "@type": "Answer", "text": "Common mistakes include buying too much capacity, ignoring lost export income, assuming backup power is included, using nominal capacity instead of usable capacity, and accepting a payback estimate without clear assumptions. Other mistakes include ignoring degradation, assuming all solar surplus is available year-round, overlooking finance costs, failing to check tariff eligibility, and not confirming whether the existing inverter, consumer unit, metering setup, and DNO position are suitable." } }, { "@type": "Question", "name": "How can I tell if a battery savings estimate is realistic?", "acceptedAnswer": { "@type": "Answer", "text": "A realistic estimate should show the installed cost, usable capacity, expected annual battery discharge, tariff assumptions, export rate, round-trip efficiency, degradation, warranty terms, and any finance costs. For solar homes, it should also show how much electricity is expected to be used directly, stored, and exported. Be cautious with any estimate that promises a fixed payback without explaining the assumptions, using half-hourly data where available, or testing less favourable tariff scenarios." } }, { "@type": "Question", "name": "What data should I gather before getting battery quotes?", "acceptedAnswer": { "@type": "Answer", "text": "Useful information includes annual electricity consumption, half-hourly smart meter data, your current import tariff, your export or SEG rate, solar generation data if you already have panels, export data where available, evening and overnight electricity use, and any plans for an EV, heat pump, or solar installation. You should also decide whether backup power is important and how long you expect to stay in the property. Better data usually leads to more accurate sizing and payback estimates." } }, { "@type": "Question", "name": "Will adding a battery affect my Feed-in Tariff?", "acceptedAnswer": { "@type": "Answer", "text": "It can, so older Feed-in Tariff households should check before installing a battery. If export is deemed rather than metered, the effect may be different from a system with metered export. Adding a battery can also affect metering arrangements, export readings, and supplier requirements. You should confirm the position with your FiT licensee, export supplier, and installer before making changes." } }, { "@type": "Question", "name": "Is a home battery worth it?", "acceptedAnswer": { "@type": "Answer", "text": "A home battery can be worth it if it is properly sized, well installed, and matched to the right tariff and usage pattern. It is most likely to make sense where there is regular solar surplus, high evening electricity use, low or modest export value, or a strong off-peak import rate. It may not be worth it if electricity use is low, export payments are high, tariff eligibility is uncertain, or the battery is oversized and rarely used. The best decision comes from modelling your actual household data rather than relying on headline savings claims." } } ], "about": { "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#content" } }, { "@type": "WebPage", "breadcrumb": { "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#webpage-breadcrumb" }, "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#webpage", "url": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/", "encoding": [ { "@type": "MediaObject", "encodingFormat": "text/markdown", "contentUrl": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback.md" }, { "@type": "MediaObject", "encodingFormat": "application/ld+json", "contentUrl": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback.schema" } ], "name": "Is A Home Battery Worth It? How To Calculate The Payback", "headline": "Is A Home Battery Worth It? How To Calculate The Payback", "description": "A battery does not generate electricity. It shifts electricity from one time to another.", "isPartOf": { "@id": "https://kilowatts.uk/#website" }, "publisher": { "@id": "https://kilowatts.uk#organization" }, "inLanguage": "en-GB", "dateModified": "2026-06-23T08:37:10+00:00", "primaryImageOfPage": { "@type": "ImageObject", "url": "https://kilowatts.uk/uploads_resolved/images/497/1600.webp" }, "author": { "@id": "https://kilowatts.uk/authors/david-coleman/#person" }, "mainEntity": { "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#content" } }, { "@type": "Person", "@id": "https://kilowatts.uk/authors/david-coleman/#person", "name": "David Coleman", "jobTitle": "Founder & Renewable Energy Author, kilowatts.uk", "worksFor": { "@id": "https://kilowatts.uk#organization" }, "url": "https://kilowatts.uk/authors/david-coleman/", "image": "https://kilowatts.uk/uploads_resolved/images/261/960.webp", "sameAs": [ "https://www.linkedin.com/in/david-martyn-coleman/" ] }, { "@type": "Article", "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#content", "mainEntityOfPage": { "@type": "WebPage", "@id": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/#webpage" }, "inLanguage": "en-GB", "isPartOf": { "@id": "https://kilowatts.uk/#website" }, "headline": "Is A Home Battery Worth It? How To Calculate The Payback", "name": "Is A Home Battery Worth It? How To Calculate The Payback", "description": "A battery does not generate electricity. It shifts electricity from one time to another.", "articleSection": "Resources", "publisher": { "@id": "https://kilowatts.uk#organization" }, "about": [ { "@id": "https://kilowatts.uk/tags/home-battery/#entity", "name": "Home Battery" }, { "@id": "https://kilowatts.uk/tags/solar-storage/#entity", "name": "Solar Storage" }, { "@id": "https://kilowatts.uk/tags/renewable-energy-uk/#entity", "name": "Renewable Energy Uk" }, { "@id": "https://kilowatts.uk/tags/solar-panels-uk/#entity", "name": "Solar Panels Uk" }, { "@id": "https://kilowatts.uk/tags/battery-storage/#entity", "name": "Battery Storage" }, { "@id": "https://kilowatts.uk/tags/uk-solar-grants/#entity", "name": "Uk Solar Grants" }, { "@id": "https://kilowatts.uk/tags/panel-efficiency/#entity", "name": "Panel Efficiency" }, { "@id": "https://kilowatts.uk/tags/inverter-sizing/#entity", "name": "Inverter Sizing" }, { "@id": "https://kilowatts.uk/tags/export-tariff/#entity", "name": "Export Tariff" }, { "@id": "https://kilowatts.uk/tags/installation-cost/#entity", "name": "Installation Cost" } ], "keywords": "home-battery, solar-storage, renewable-energy-uk, solar-panels-uk, battery-storage, uk-solar-grants, panel-efficiency, inverter-sizing, export-tariff, installation-cost", "image": { "@type": "ImageObject", "url": "https://kilowatts.uk/uploads_resolved/images/497/960.webp", "width": 1672, "height": 941 }, "potentialAction": { "@type": "ReadAction", "target": "https://kilowatts.uk/resources/is-a-home-battery-worth-it-how-to-calculate-the-payback/" }, "datePublished": "2026-07-19T16:23:54+00:00", "dateModified": "2026-07-26T18:34:30+00:00", "author": { "@id": "https://kilowatts.uk/authors/david-coleman/#person" } } ] }