Location: London · London

Solar Power Purchase Agreements in London

UK commercial solar PPA mechanics, indicative tariffs and provider availability for businesses based in London and the surrounding London area. Several Fortune-listed corporates have signed CPPAs covering London HQs; the bigger growth zone is mid-tier offices retrofitting for MEES 2027.

Last reviewed 13 May 2026 8 min read By London · PPA
London PPA market profile 2026
CouncilGreater London Authority
Net-zero target2030
Region appetiteStrong. Mayor of London Business Climate Challenge drives demand; London Plan SI 2 mandates PV on major new commercial developments.
DNOUK Power Networks. Heavily constrained network for >100kVA new export; G99 application 6-12 weeks.
Typical PPA tariff floor11 p/kWh year 1
Council strategyLondon Environment Strategy
Typical commercial energy spend£95,000 / year (mid-band)

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Industrial estates suited to PPAs in London

These named London industrial estates and business parks typically host the kind of large-roofed commercial buildings well-suited to on-site PPA — factories, warehouses, logistics centres, distribution hubs.

  • Park Royal
  • Brent Cross
  • Greenwich Peninsula
  • Old Kent Road industrial area
  • Stratford

Sites within these estates typically qualify for 250kWp+ on-site PPAs. For mid-size buildings (100-250kWp) we recommend the standard on-site route; for mega-sheds (1MWp+) consider a behind-the-meter or corporate-PPA structure.

Council net-zero context in London

London Plan supports rooftop solar across commercial and residential. London Energy Efficiency Fund provides finance to public buildings. PV expected on all major new commercial development under London Plan Policy SI 2.

For commercial off-takers, the local net-zero target provides supporting context for solar PPAs in two ways: (a) planning consent for ground-mount and large rooftop solar is typically supported, and (b) tenant ESG mandates within the local supply chain are stronger than in less-ambitious regions.

Sub-regions and neighbouring towns covered

Our PPA provider network also serves businesses in the following London-adjacent areas:

  • Croydon
  • Bromley
  • Dartford
  • Watford
  • Slough

Nearby cities with their own dedicated PPA pages: Reading, Luton, Brighton.

Sector × London pages

For sector-specific mechanics in London, see our 10-sector × 12-city matrix. Most popular for London:

Donovan Fawcett · Director, SEO Dons Ltd Twelve years in UK commercial solar SEO and PPA advisory. Editorial policy & independence.
FAQs

PPA FAQs — London

What's the typical PPA tariff for a London-based commercial site in 2026?

Indicative 2026 tariffs for London sites range 10-18 p/kWh year 1 depending on system size, off-taker covenant, term length and DNO context. Larger systems (500kWp+) with strong covenants on 25-year contracts can achieve the lower end of the range. The Greater London Authority has a 2030 net-zero target which supports business demand for PPAs.

Which sectors are most active for PPAs in London?

In London the most active PPA cohorts are typically manufacturing, logistics, hotels, schools and NHS Trusts. Named industrial estates including Park Royal, Brent Cross, Greenwich Peninsula are particularly suited to roof-mounted PPAs.

How does the London DNO context affect my PPA?

DNO context — specifically G99 connection availability and export capacity — drives the build cost (and hence tariff) of any PPA-funded system. For London, ground capacity is generally workable but the G99 application alone takes 6-12 weeks. Larger systems (250kWp+) often require additional studies.

How long does a typical PPA take to deploy?

From first call to commissioning typically 6-12 months. Indicative tariff in 2-4 weeks; site survey + heads-of-terms in 4-8 weeks; full contract in 8-12 weeks; build in 6-16 weeks. Site complexity, planning consent and DNO connection drive variations.

Can I serve nearby towns like Croydon, Bromley with the same PPA structure?

Sites within ~30 miles of London typically draw on the same provider network. For multi-site portfolios across neighbouring towns (Croydon, Bromley, Dartford, etc.), a sleeved-PPA or corporate-PPA structure aggregates the kWh more efficiently than separate on-site contracts.

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