How UK manufacturers can cut energy costs without capital projects

The good news: meaningful savings don’t always require new plant, rooftop solar or six-figure upgrades. In many cases, cost reductions of 5–25% are achievable using operational, contractual and behavioural changes alone.

Here’s where to start.

1. Optimise energy procurement, not just consumption

Energy contracts are often renewed on habit rather than strategy.

In today’s UK market, manufacturers should reassess:

• Pass-through vs. fixed contracts
• Capacity charges tied to peak demand
• Risk management strategies in volatile markets

Many firms overpay simply because contract structures haven’t been reviewed since pre-2022 pricing shifts.

A structured procurement review can often unlock savings without touching operations.

2. Reduce peak demand (it’s often the hidden cost driver)

For larger electricity users, peak demand can be more expensive than total consumption.

Under the Targeted Charging Review introduced by Ofgem, fixed network charges have increased, but demand management still significantly impacts:

• Capacity charges
• Distribution use of system costs
• On-site transformer loading

Simple operational adjustments, such as staggering equipment start-up times or shifting batch processes, can materially lower peak demand without production loss.

3. Improve compressed air and steam efficiency

Compressed air remains one of the UK’s most inefficient industrial systems.

Common no-cost or low-cost fixes include:

• Leak detection and repair
• Lowering system pressure
• Eliminating inappropriate uses (e.g., cooling or cleaning)

Similarly, steam trap audits and condensate return improvements frequently deliver fast payback, often within months.

These measures don’t require capital approval cycles; they require structured maintenance focus.

4. Tackle “always-on” energy waste

Out-of-hours energy use is a widespread issue in UK manufacturing.

Weekend baseload checks regularly reveal:

• HVAC running unnecessarily
• Lighting in low-occupancy areas
• Idle process equipment

Smart meter data, widely rolled out under the UK government’s programme, makes identifying these patterns far easier than it was five years ago.

5. Align production planning with energy tariffs

Half-hourly settlement means timing matters.

Manufacturers on flexible contracts can reduce exposure by:

• Avoiding high-price peak windows
• Aligning energy-intensive processes with lower-cost periods
• Reviewing shift structures where feasible

While this isn’t possible in every sector, facilities with batch production have more flexibility than they often realise.

6. Review climate change levy and reliefs

Many manufacturers qualify for relief mechanisms such as:

• Climate Change Agreements (CCAs)
• Energy Intensive Industry (EII) exemptions

A review of eligibility can reduce levy exposure significantly, but these mechanisms require proactive management.

7. Create visible energy ownership on site

The most effective low-cost strategy is assigning clear responsibility.

Successful manufacturers typically introduce:

• A named site energy lead
• Cross-functional energy teams (operations, maintenance, finance)
• Monthly performance dashboards shared with shift managers
• Clear KPIs tied to operational accountability

When energy becomes part of routine performance discussions, behaviour changes quickly.

Energy is frequently 5–15% of operating cost in manufacturing, yet governance rarely reflects that strategic importance.

The bigger picture: Control before capital

Major investments like solar PV, heat pumps or electrification projects remain important for long-term decarbonisation. But immediate financial pressure demands faster levers.

For UK manufacturers navigating high power prices and policy reform, operational optimisation can deliver:

• Immediate cost reduction
• Carbon savings
• Improved resilience
• Stronger business cases for future capital projects

The most cost-effective kilowatt-hour remains the one you don’t use, and often, you don’t need new equipment to avoid it.

If you need support with any of the above, get in touch. JRP have 25+ years expertise in cutting energy and carbon, and embedding efficiencies in manufacturing. We’re well positioned to help you.