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Freeport East Solar: Felixstowe, Harwich & UKPN Guide

Freeport East (Felixstowe and Harwich) uniquely combines three advantages: UK Power Networks (the UK's fastest DNO), east coast irradiance (1,010-1,060 kWh/kWp/yr), and Freeport East ECA. This makes Freeport East arguably the most efficient commercial solar delivery in the UK — fastest connection, best south-eastern irradiance, and significant tax uplift.

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Why Freeport East is unique among UK Freeports

Eight UK Freeports provide ECA. What makes Freeport East different: (1) DNO — UK Power Networks covers Freeport East, the UK's fastest commercial DNO (4-5 months G99 versus 6-12 months for Freeport zones in SP Networks or SSEN territory); (2) Irradiance — east coast Suffolk/Essex irradiance 1,010-1,060 kWh/kWp/yr (highest of any UK Freeport zone by a significant margin). Felixstowe irradiance advantage versus Teesside: 12-15% more solar generation per year. Versus Liverpool Freeport: 8-10% more. (3) UK's busiest container port — Felixstowe handles 4m TEUs/year, creating a continuous logistics and port operations baseload.

Freeport East designated tax sites

Three designated tax sites: (1) Port of Felixstowe estate (Landguard Container Terminal, Trinity Terminal, Felixstowe South, port logistics estate); (2) Bathside Bay, Harwich (port extension site, planned container terminal and logistics campus); (3) Parkeston Quay, Harwich (Stena Line terminal, cargo handling, logistics). Within these zones: 100% ECA on plant and machinery. Stacks with standard 100% AIA. We confirm building-level eligibility at desk feasibility.

Port logistics solar at Felixstowe — practical design

Port of Felixstowe warehouse buildings: a mix of older (pre-2000) and modern (post-2010) units. Modern units: profiled steel, excellent for ballasted PV. Older units: structural assessment required. Port authority (Hutchison Ports) co-approval required for roof works within the port operational boundary (typically 4-6 weeks alongside UKPN G99). Reefer container management (cold chain plugs): 24/7 load, significantly improving self-consumption. Port logistics self-consumption: 87-93%.

Common questions

What is UKPN G99 connection time at Felixstowe Port?

4-5 months for port logistics sites within the Freeport East designated zone. Hutchison Ports pre-approval (4-6 weeks) runs in parallel with UKPN G99. Combined: 4-5 months total to commissioning from survey — the fastest of any UK Freeport zone.

Is IETF available at Freeport East Felixstowe?

IETF applies where food processing cold chain or eligible manufacturing is the primary activity. Cold store and food import logistics at Felixstowe (reefer container management, chilled import handling) may be IETF-eligible where the food processing element is the primary activity. We confirm IETF eligibility at desk feasibility.

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