Data centre solar insights
Technical and commercial analysis on solar PV for UK data centres — written for facilities managers, infrastructure directors, and sustainability teams.
25 June 2026
How Many AI Data Centres Are There in the UK? (2026)
An honest 2026 estimate of how many AI data centres the UK has, why an exact count is hard, and what the build-out means for power and on-site solar.
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25 June 2026
On-Site Solar PPA for Data Centres: Structure, Rates and When It Beats Capex
How a behind-the-meter solar PPA works for data centres: ownership, p/kWh rates, escalators, term, IFRS 16 treatment, and when it beats a capex buy.
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25 June 2026
Solar PV for Server Farms: Practical Guide for UK Operators
How UK server farms cut energy costs with on-site solar PV. Sizing, self-consumption, payback, the Annual Investment Allowance and the lighter G99 process for 50-300 kW.
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25 June 2026
Can a Data Centre Run on Solar Power?
Can a data centre run on solar? Honestly: not 100% on rooftop alone. Here's the Tier III/IV-safe solar, BESS and grid architecture that works.
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25 June 2026
How to Choose a Data Centre Solar Installer
A procurement checklist for choosing a data centre solar installer: Tier III/IV method, BPSS clearance, G99, MCS, real DC references and insurer review.
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25 June 2026
Hyperscale Data Centre Solar: the UK Playbook
How UK hyperscale data centres deploy MW-scale rooftop and canopy solar for 24/7 carbon-free energy, with cost, yield and grid-connection benchmarks.
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25 June 2026
Data Centre Solar Cost UK 2026: £/kWp & Payback
Real UK data centre solar cost by size band, what drives £/kWp, and a the Annual Investment Allowance worked example. Typical payback 4–7 years, faster post-tax.
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12 June 2026
Data Centre Electrical Works for Solar PV: 2026 Notes
Three-phase infrastructure, UPS integration and contractor accreditation for data centre rooftop solar — what M&E managers should scope in 2026.
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27 May 2026
Battery Energy Storage for UK Data Centres: Costs, Payback and ROI in 2026
How battery energy storage systems (BESS) work alongside solar PV on UK data centres — peak demand shaving, DSR revenue, backup power, and the financial case in 2026.
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27 May 2026
Commercial Solar Panels for Data Centres: UK Buyer's Guide 2026
What makes commercial solar panels for data centres different from standard commercial installations — specification, G99 compliance, Tier III/IV methodology, and how to choose a specialist installer.
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12 May 2026
On-Site Solar vs Corporate PPA for UK Data Centres: The Complete 2026 Comparison
A direct comparison of rooftop PV and corporate power purchase agreements for UK data centre operators — financial returns, Scope 2 accounting, CFE matching, and when each is right.
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8 May 2026
How UK Data Centres Prove Renewable Energy to Customers: SLA Evidence, Procurement, and Audit Trails
What MCS certificates, REGOs, and half-hourly generation data actually prove — and what they don't. A guide for colocation operators answering customer sustainability questionnaires.
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5 May 2026
Edge Data Centre Solar in the UK: Economics, Installation Constraints, and the 50–200 kW Case
Edge computing nodes are proliferating across the UK. Can rooftop solar work at 50–200 kW scale? A frank assessment of the economics, grid constraints, and installation approach for edge and telco POP facilities.
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28 April 2026
the Annual Investment Allowance and Data Centre Solar in 2026: How the 25% First-Year Tax Relief Changes the Investment Case
the Annual Investment Allowance permanently changed the economics of capital investment in UK data centres. Here's exactly how it applies to solar PV, what it's worth in cash terms, and how to structure a project to maximise the benefit.
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