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BAE's Glascoed 155mm plant slips as it doubles planned capacity

BAE's Glascoed 155mm plant slips as it doubles planned capacity

UK's 16x shell-output expansion runs months behind; capacity target doubled after a mid-2025 rethink

Defence·Money· worsening What Broke·The Long Game ·7 takes ·updated Jun 24, 2026

Summary

Bae Systems' new explosive-filling plant at Glascoed in South Wales — pitched as a 16-fold increase in United Kingdom 155mm shell output — is running roughly six months behind schedule. BAE attributes the slip to a mid-2025 decision to double the plant's originally planned capacity; testing is under way with no revised launch date. The site targets ~500,000 shells a year and sits inside a £150m UK production-expansion programme and the £2.4bn Next Generation Munitions Solution framework, recently widened by the MoD toward £410m. The delay matters for British Army stockpile rebuilds and continued resupply to Ukraine; it contrasts with Rheinmetall's faster German ramp — see Rheinmetall says Germany has overtaken the US in conventional ammunition output and Shell Production.

By the numbers

  • 16x — planned 155mm output increase at Glascoed.
  • ~6 months — reported schedule slip.
  • ~500,000/yr — targeted shell output once running.
  • £150m — UK munitions production-expansion programme.
  • £410m — expanded MoD munitions contract value.
  • 1,260 — BAE staff across five UK munitions sites.

Why it matters

Glascoed is Britain's single biggest bet on artillery throughput. A multi-month slip leaves the UK reliant on imports and continental lines just as Europe scales, exposing how hard greenfield explosives capacity is to stand up at speed.

What to watch

  • A revised Glascoed commissioning date.
  • Whether doubled capacity (toward ~1m/yr equivalents) is confirmed.
  • Further MoD call-offs against the NGMS framework.