{
    "@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/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#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": "PPA vs Buying Commercial Solar in the UK: A Decision Framework",
                    "item": {
                        "@id": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/"
                    }
                }
            ]
        },
        {
            "@type": "FAQPage",
            "@id": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#faq",
            "url": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#faq",
            "inLanguage": "en-GB",
            "isPartOf": [
                {
                    "@id": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#webpage"
                },
                {
                    "@id": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#content"
                }
            ],
            "mainEntity": [
                {
                    "@type": "Question",
                    "name": "Is a solar PPA better than buying commercial solar?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "A solar PPA is usually better if your business wants to avoid upfront capital spend and is comfortable entering a long-term electricity agreement. Buying commercial solar is usually better if you can fund the system through cash or finance, expect to remain on site long term, and want the highest lifetime savings and control over the asset."
                    }
                },
                {
                    "@type": "Question",
                    "name": "How does a commercial solar PPA work?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Under a commercial solar PPA, a third-party provider funds, owns, installs, operates, and usually maintains the solar PV system on your roof or land. Your business then buys the electricity generated onsite at an agreed p/kWh rate for the contract term, which is often between 10 and 25 years."
                    }
                },
                {
                    "@type": "Question",
                    "name": "Are commercial solar PPAs free?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "No. A PPA can remove or reduce the upfront installation cost, but your business still pays for the electricity generated by the solar panels. The key difference is that you pay through a long-term electricity contract rather than buying and owning the system yourself from the start."
                    }
                },
                {
                    "@type": "Question",
                    "name": "What are the main disadvantages of a solar PPA?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "The main disadvantages are long contract terms, less control over the solar asset, possible indexation of the electricity rate, restrictions on roof works or property changes, and reduced lifetime upside compared with ownership. The headline p/kWh rate should always be reviewed alongside termination rights, minimum payments, export income, end-of-term options, and landlord or lender consent requirements."
                    }
                },
                {
                    "@type": "Question",
                    "name": "What are the main advantages of buying commercial solar panels?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Buying commercial solar gives the business ownership, control, and usually the strongest long-term financial return. The business keeps the benefit of avoided grid imports, may receive export income, can decide how the system is maintained or upgraded, and is not tied to a PPA provider’s long-term electricity contract."
                    }
                },
                {
                    "@type": "Question",
                    "name": "What are the risks of buying commercial solar?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "The main risks are upfront capital cost, maintenance responsibility, inverter replacement, insurance requirements, roof suitability, DNO constraints, and performance assumptions that may not match actual site consumption. A purchase proposal should include whole-life costs, not just the installed price of the panels."
                    }
                },
                {
                    "@type": "Question",
                    "name": "How long is a commercial solar PPA contract?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Commercial solar PPA contracts commonly run for 10 to 25 years, although the exact term depends on the provider, site, system size, credit profile, and project economics. The contract length should be checked against the business’s lease term, property plans, and likelihood of remaining on site."
                    }
                },
                {
                    "@type": "Question",
                    "name": "Can a tenant use a solar PPA?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Yes, a tenant can sometimes use a solar PPA, but the lease position must support the contract term and landlord consent is usually required. Mortgagee, superior landlord, insurer, and planning or roof warranty requirements may also need to be checked before the project can proceed."
                    }
                },
                {
                    "@type": "Question",
                    "name": "What happens at the end of a commercial solar PPA?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "The end-of-term position depends on the PPA contract. Options may include extending the agreement, buying the system, transferring ownership, or requiring the provider to remove the equipment. These terms should be agreed before signing, including who pays for removal, reinstatement, and any roof-related works."
                    }
                },
                {
                    "@type": "Question",
                    "name": "Which option gives the highest lifetime savings?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Buying commercial solar usually gives the highest lifetime savings when the site has strong daytime electricity demand, a suitable roof, manageable grid constraints, and long-term occupation certainty. A PPA normally gives lower lifetime upside but reduces upfront capital spend and transfers much of the technical operation and maintenance responsibility to the provider."
                    }
                },
                {
                    "@type": "Question",
                    "name": "What data is needed to compare a PPA with buying solar?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "The most important data is half-hourly electricity consumption, because annual bills do not show when electricity is used. A proper comparison should also include import tariffs, export values, roof condition, DNO position, lease or ownership details, finance costs, tax assumptions, O&M costs, inverter replacement, PPA indexation, and end-of-term terms."
                    }
                },
                {
                    "@type": "Question",
                    "name": "Does export income matter for commercial solar?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Yes, but export income is usually less valuable than using the solar electricity onsite to avoid grid imports. Sites with high daytime self-consumption normally have stronger economics, while sites that export a large share of generation need more careful modelling under both PPA and purchase options."
                    }
                },
                {
                    "@type": "Question",
                    "name": "Do commercial solar projects need DNO approval?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Most commercial solar projects need a DNO application. Very small systems may fall under G98 rules, while larger commercial installations usually require G99 approval. The DNO may impose export limits, request protection settings, or identify reinforcement requirements, all of which can affect system size, cost, and returns."
                    }
                },
                {
                    "@type": "Question",
                    "name": "Should roof condition be checked before choosing a PPA or purchase?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Yes. Roof condition is critical for both routes because removing and reinstalling solar panels for later roof repairs can be expensive and disruptive. A roof nearing the end of its life should normally be repaired or replaced before installation, and structural capacity, access, asbestos risk, drainage, warranties, and insurer requirements should all be reviewed early."
                    }
                },
                {
                    "@type": "Question",
                    "name": "Is a solar PPA affected if the business sells the building or leaves the site?",
                    "acceptedAnswer": {
                        "@type": "Answer",
                        "text": "Yes, it can be. A PPA is a long-term contract tied to the site, so the agreement should clearly explain what happens if the property is sold, the lease is assigned, the tenant leaves, or the business restructures. These provisions are especially important for tenants and businesses with uncertain long-term occupation plans."
                    }
                }
            ],
            "about": {
                "@id": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#content"
            }
        },
        {
            "@type": "WebPage",
            "breadcrumb": {
                "@id": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#webpage-breadcrumb"
            },
            "@id": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#webpage",
            "url": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/",
            "encoding": [
                {
                    "@type": "MediaObject",
                    "encodingFormat": "text/markdown",
                    "contentUrl": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework.md"
                },
                {
                    "@type": "MediaObject",
                    "encodingFormat": "application/ld+json",
                    "contentUrl": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework.schema"
                }
            ],
            "name": "PPA vs Buying Commercial Solar in the UK: A Decision Framework",
            "headline": "PPA vs Buying Commercial Solar in the UK: A Decision Framework",
            "description": "Discover when to choose a PPA or purchase commercial solar panels for your UK business, considering factors like upfront cost, lifetime savings, maintenance re…",
            "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/451/1280.webp"
            },
            "author": {
                "@id": "https://kilowatts.uk/authors/david-coleman/#person"
            },
            "mainEntity": {
                "@id": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#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/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#content",
            "mainEntityOfPage": {
                "@type": "WebPage",
                "@id": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/#webpage"
            },
            "inLanguage": "en-GB",
            "isPartOf": {
                "@id": "https://kilowatts.uk/#website"
            },
            "headline": "PPA vs Buying Commercial Solar in the UK: A Decision Framework",
            "name": "PPA vs Buying Commercial Solar in the UK: A Decision Framework",
            "description": "Discover when to choose a PPA or purchase commercial solar panels for your UK business, considering factors like upfront cost, lifetime savings, maintenance re…",
            "articleSection": "Resources",
            "publisher": {
                "@id": "https://kilowatts.uk#organization"
            },
            "about": [
                {
                    "@id": "https://kilowatts.uk/tags/commercial-solar-uk/#entity",
                    "name": "Commercial Solar Uk"
                },
                {
                    "@id": "https://kilowatts.uk/tags/ppa-vs-buying/#entity",
                    "name": "Ppa Vs Buying"
                },
                {
                    "@id": "https://kilowatts.uk/tags/renewable-energy-solutions/#entity",
                    "name": "Renewable Energy Solutions"
                },
                {
                    "@id": "https://kilowatts.uk/tags/solar-power-systems/#entity",
                    "name": "Solar Power Systems"
                },
                {
                    "@id": "https://kilowatts.uk/tags/uk-solar-panels/#entity",
                    "name": "Uk Solar Panels"
                },
                {
                    "@id": "https://kilowatts.uk/tags/energy-efficiency/#entity",
                    "name": "Energy Efficiency"
                },
                {
                    "@id": "https://kilowatts.uk/tags/uk-renewable-energy/#entity",
                    "name": "Uk Renewable Energy"
                },
                {
                    "@id": "https://kilowatts.uk/tags/commercial-property-investment/#entity",
                    "name": "Commercial Property Investment"
                },
                {
                    "@id": "https://kilowatts.uk/tags/uk-solar-grants/#entity",
                    "name": "Uk Solar Grants"
                },
                {
                    "@id": "https://kilowatts.uk/tags/solar-panel-installation/#entity",
                    "name": "Solar Panel Installation"
                }
            ],
            "keywords": "commercial-solar-uk, ppa-vs-buying, renewable-energy-solutions, solar-power-systems, uk-solar-panels, energy-efficiency, uk-renewable-energy, commercial-property-investment, uk-solar-grants, solar-panel-installation",
            "image": {
                "@type": "ImageObject",
                "url": "https://kilowatts.uk/uploads_resolved/images/451/960.webp",
                "width": 1536,
                "height": 1024
            },
            "potentialAction": {
                "@type": "ReadAction",
                "target": "https://kilowatts.uk/resources/ppa-vs-buying-commercial-solar-in-the-uk-a-decision-framework/"
            },
            "datePublished": "2026-07-18T16:08:36+00:00",
            "dateModified": "2026-07-19T03:24:58+00:00",
            "author": {
                "@id": "https://kilowatts.uk/authors/david-coleman/#person"
            }
        }
    ]
}