UK demonstration projects reveal new breakthroughs in industrial energy efficiency and decarbonisation

Thirteen UK demonstration projects funded with a combined £7 million in grant support have shown how targeted energy- and resource-efficiency innovations can cut industrial emissions and improve productivity, according to results published by the Carbon Trust.

The projects, supported by the Department for Energy Security and Net Zero under its Net Zero Innovation Portfolio (NZIP) and delivered by the Carbon Trust in partnership with Jacobs and Innovate UK Business Connect, span sectors from metals and chemicals to food processing, construction and plastics and textiles recycling. According to the Carbon Trust, the portfolio of demonstrations from the third and fourth phases of the Industrial Energy Efficiency Accelerator (IEEA) could save around 4 million tonnes of carbon dioxide equivalent over 10 years , roughly the annual CO2 output of the UK’s largest gas‑fired power station in 2023 , if the technologies are widely deployed.

The IEEA is expressly designed to take novel technologies into industrial-scale production environments to validate performance and accelerate commercial adoption. Government project pages note the programme has run in successive phases since 2018, with over £28 million of combined public and private match funding invested across 30 IEEA projects to date. Grant contributions in the latest phases ranged from about £130,000 to £1 million, typically covering 40–60% of demonstrator costs; project teams provided the remainder. The Carbon Trust reports the technology providers supported by IEEA have since raised more than £40 million of private finance.

Demonstrations delivered measurable gains and, in some cases, step changes in efficiency. A selection of the projects includes:

• Project Plan B, working with the Salvation Army, which processed more than 182,000 kg of post‑industrial polyester waste into recycled polyester (rPET) pellets using a thermo‑mechanical extrusion process. The Carbon Trust says this demonstrates a viable UK fibre‑to‑fibre route that retains sufficient material integrity for textile and rigid‑plastic applications, strengthening domestic circularity in polyester supply chains.

• Luxus’ Odour Control Accelerator, which scaled production of an Odour‑Extraction (ODEX) compound to reduce odours and volatile organic compounds in recycled polymers to undetectable levels. The project reported savings of over 1,200 kg CO2e per tonne by enabling greater use of post‑consumer waste in products, addressing a major barrier to closed‑loop polymer recycling as regulatory pressure on recycled content rises.

• APRIL™ Robotics Cooking Cell, developed by OAL, a robotic soup and sauce cooking system that combines automation with Steam Infusion to cut energy used in cooking and cleaning, reduce cleaning water demand and lift product yield from 90% to 98% in trials. The company reported carbon savings of up to 75% in its IEEA demonstration.

• 4T2 Sensors’ electrical impedance spectroscopy system for real‑time monitoring of process pipework, demonstrated at Diageo’s Leven bottling site. By replacing time‑based Clean‑In‑Place cycles with condition‑based cleaning, the technology could save an estimated 1.5 million litres of water across the site while reducing energy, chemical usage and downtime. 4T2 has licensed the technology to a global Clean‑In‑Place supplier, the Carbon Trust states, potentially accelerating adoption.

Government and programme figures are presented with explicit editorial distance: Lord Vallance, Minister for Science, Innovation, Research and Nuclear, said the UK is “leading the way in industrial innovation to cut emissions and boost productivity across the UK. Programmes like this have allowed us to back new technologies that will help a wide range of businesses, from food to construction.” Paul McKinney, Associate Director at the Carbon Trust and programme manager of the IEEA, said: “I have been proud to be part of the IEEA since the start and to manage the programme over the last six years. The sheer range of sectors covered…and the variety of technologies demonstrated from efficient plant cleaning and heat recovery to advanced sensors, AI and robotics clearly shows that there is no shortage of resource and energy efficiency technologies being developed to help industry on its Net Zero journey.”

Project teams emphasised commercial potential and near‑term scalability. Jake Norman, Managing Director at OAL, said: “This project has shown how advanced robotics can transform core processes like soup and sauce production, improving energy efficiency, reducing waste and increasing yield. Through the IEEA programme, we’ve gained valuable insight into the carbon footprint of food manufacturing and a clear pathway for scalable, intelligent automation across the sector.” Sam Scutt, COO at 4T2 Sensors, said: “Participating in the IEEA programme enabled us to demonstrate how real‑time fluid monitoring using electrical impedance spectroscopy can transform Clean‑In‑Place processes, saving water and boosting production. The support from IEEA was instrumental in validating our technology and accelerating its path to commercial deployment across multiple sectors.” Braydon Koss, Sustainability & Project Lead at Luxus Ltd, said: “We were excited to be part of the IEEA. This new technology will aid in developing high quality polymer grades to be used within multiple industries allowing for an increased volume of PCW used in products, not only reducing the need for virgin polymer, but decreasing carbon emissions and helping companies meet the upcoming regulations for sustainability.”

The IEEA team and government materials stress that the demonstrators are not end points but stepping stones to broader industrial decarbonisation. The Carbon Trust highlights that many projects delivered co‑benefits beyond carbon reductions , improved yield, productivity gains, lower chemical use and reduced downtime , which together strengthen the business case for deployment. The government’s NZIP project pages underline policy intent: targeted demonstration funding is intended to derisk novel solutions so they can scale across the UK industrial base and contribute to national Net Zero objectives.

For industrial decarbonisation practitioners, the portfolio reveals three practical takeaways. First, incremental hardware and software interventions , sensors for condition‑based maintenance, odour‑control compounds for higher recycled content, and process‑level robotics and heat recovery , can deliver material carbon and resource savings when proven at scale. Second, matched public funding that validates performance in live production environments remains important to attract follow‑on private investment and commercial partnerships. Third, the most promising projects report operational co‑benefits that improve the investment proposition for manufacturers under tightening regulatory and procurement pressures.

As technology developers move from demonstration to commercial roll‑out, the IEEA participants are focusing on scaling, entering new markets and securing additional private finance. Case studies and further technical details are published by the programme and on UK government project pages, which set the IEEA outputs in the context of an ongoing, multi‑phase effort to bring commercial‑scale energy and resource efficiency innovations into mainstream industrial use. The Carbon Trust and government statements make clear the initiative’s success will be judged not only by tonnes of CO2 modelled to be saved, but by the rate at which industry adopts these validated solutions.