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Era4 wins approval for landfill-gas-powered AI data center in Canterbury

Era4 wins approval for landfill-gas-powered AI data center in Canterbury

Built World

13,000-square-foot facility will run mostly on methane from the neighboring landfill, with a 20-cubic-meter daily water cap

Today: Construction Review reports the approved project

Overview

Updated 1 hour ago

Canterbury City Council approved Era4's plan to build a data center for AI workloads beside Shelford Landfill in Kent, voting four in favor with three abstentions and one against on October 15. The 13,000-square-foot facility will pull most of its electricity from methane captured at the adjacent landfill, delivered through a private wire from the Valencia Energy Centre.

The approval pairs one of the fastest-growing power consumers — AI computing — with one of the most established waste-to-energy sources. It also raises a question: landfill gas output declines every year as waste decomposes, and the landfill stops taking waste in 2036. Whether the methane supply outlasts the data center's needs remains open.

Why it matters

If AI data centers can run on landfill methane, they reduce new demand on the UK grid and turn a waste product into computing power.

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Key Indicators

140 MWh/day
Peak electricity draw
Estimated consumption at full capacity, supplied mainly by the landfill-gas plant.
20 m³/day
Water-use cap
Condition set by South East Water for the closed-loop cooling system.
4
Full-time staff
The facility's planned on-site workforce.
1,210 m²
Building footprint
A 13,000 sq ft building on previously used composting land at Shelford Farm Estate.

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People Involved

Organizations Involved

Timeline

March 2026 October 2026

4 events Latest: Today
Tap a bar to jump to that date
  1. Construction Review reports the approved project

    Today Reporting

    Construction Review publishes its account of the approved data center and its planned landfill-gas power supply.

  2. Planning permission granted

    Planning

    Canterbury City Council approves the data center with 16 conditions, voting four in favor, three abstentions, one against.

  3. Council committee defers decision for site visit

    Planning

    Canterbury City Council's planning committee debates the application, with water-use and environmental concerns raised, then defers for a site visit.

  4. Era4 rebrands from Carbon3.AI

    Corporate

    The company announces its rebrand, signaling a focus on AI-era data center development.

Scenarios

1

Construction begins at the Shelford data center

Likely Resolves by Jan 1, 2028

Discussed by: Era4 chief executive Tom Humphreys, who said the company will share construction plans with the local community

Era4 must satisfy the 16 planning conditions, including the 20 cubic meter daily water cap, then finalize construction arrangements and set a commissioning schedule. The company has not yet established an operational date for the facility.

2

Landfill gas falls short and the data center leans on the grid

Possible Resolves by Jan 1, 2030

Discussed by: TECS Engineering, which notes landfill gas quality and volume decline over time, and local objectors who raised the same concern

Landfill gas output drops every year as waste decomposes. The Valencia Energy Centre was sized for early-years output, so when the methane runs low, the data center will draw more from the National Grid — which the planning documents already allow as backup.

3

Planning conditions stall the project

Unlikely Resolves by End of 2027

Discussed by: Objectors who raised water, noise and environmental concerns during the planning process

The 16 conditions tied to the approval include the water cap and environmental management requirements. If any condition proves unworkable, construction could stall or the permission could lapse, a risk some objectors say is heightened by the uncertain landfill gas supply timeline.

Historical Context

2 moments from history that rhyme with this story — and how they unfolded.

2013

Facebook's Luleå data center (2013)

Facebook opened a data center in Luleå, Sweden, chosen for its proximity to hydroelectric power from the Lule River and cold Arctic air that allows natural cooling. The site was selected for its energy and climate, not its proximity to users.

Then

The facility ran on renewable hydro power with sharply reduced cooling costs.

Now

It became a benchmark for siting data centers around energy sources rather than population centers.

Why this matters now

Like Luleå, the Shelford site is defined by its power source. The difference: Era4's fuel is methane from decomposing waste.

1994 onwards

US landfill gas-to-energy program (1994 onwards)

The US Environmental Protection Agency launched its Landfill Methane Outreach Program in 1994, helping develop hundreds of landfill gas-to-energy projects nationwide over the following decade. Operators capture methane from decomposing waste and burn it to generate electricity.

Then

Methane that once escaped into the atmosphere was converted into electricity for local grids.

Now

Landfill gas became a mature, small-scale power source, though operators know its output declines steadily as waste settles.

Why this matters now

The technology behind the Shelford project is proven. What is untested is whether landfill gas can sustain a high-density AI data center over decades.

Sources

(7)