Solar panels for plastics and injection moulding (UK)
Injection moulding, extrusion and blow moulding are among the UK's most electricity-intensive processes. Continuous-shift plastics operations pull steady daytime load, making solar ideal — 70–85% self-consumption is achievable. Rising UK ETS carbon prices strengthen the economics year on year.
Plastics & injection moulding — sector snapshot
Why solar fits plastics & injection moulding
- Continuous-cycle machines pull steady daytime baseload.
- Big single-storey factory roofs suited to solar.
- Automotive and packaging brand-owner pressure on Scope 3.
- Rising ETS prices lift the value of every kWh avoided.
- IETF grants available for energy-efficiency-linked upgrades.
Design considerations
- Chiller loads — often the biggest single win on load-matching.
- Compressed air — daytime shift alignment.
- Tool changeovers and mould heating — power spikes covered by grid, avg by solar.
- Emergency stops and inverter isolation for hot-runner safety.
Funding routes
Full Expensing, IETF grants for larger multi-technology upgrades, PPA structures common at 500 kWp+.
Related reading
FAQ — solar for plastics & injection moulding
Is solar viable for 24-hour plastics plants?
Yes — daytime covers 25–45% of a 24-hour cycle. Battery adds another 5–15%. Sleeved PPA usually fills the rest.
Can I claim IETF for solar alone?
IETF typically funds process electrification and heat recovery. Solar is usually funded via Full Expensing plus asset finance, sometimes combined with IETF for the wider decarbonisation package.
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