As we move further into 2026, the net zero landscape for UK businesses is entering a critical phase. With regulatory requirements tightening, reporting obligations expanding, and the government’s clean energy ambitions accelerating, organisations that fail to plan now risk falling behind, both in compliance and competitive positioning.
TEAM Energy’s Tim Holman, Head of Consultancy, outlines the most significant developments shaping the year and what decision-makers should prioritise to stay ahead.
Government Direction: Momentum Behind Clean Energy Infrastructure
Recent government commitments continue to reinforce the UK’s position on clean energy growth. Financial close on Sizewell C and confirmation of Wylfa as the site for the UK’s first Small Modular Reactor signal ongoing focus on expanding low carbon generation capacity. These milestones reflect the sector’s growing importance to national energy security and long-term decarbonisation.
The National Wealth Fund also remains a key mechanism for accelerating private-sector investment, with billions allocated to clean energy and high growth green technologies. For organisations planning capital-intensive decarbonisation projects, the policy environment continues to trend favourably.
Looking ahead, one of the most significant changes for some businesses will be the Carbon Border Adjustment Mechanism (CBAM), set to apply carbon costs to certain imports from January 2027 and creating a level playing field for UK manufacturers already subject to carbon pricing.
Regulatory Compliance: What Organisations Need to Focus on in 2026
Several regulatory programmes are progressing throughout 2026, and organisations should be preparing now to avoid compliance or cost risks.
ESOS Phase 4
ESOS Phase 4 compliance deadlines are approaching, requiring qualifying organisations to conduct energy audits and identify efficiency opportunities. Like the previous phase, Phase 4 includes mandatory action plans, ensuring ESOS is not just a reporting exercise but can also support genuine operational change. Organisations should be completing energy audits and reviewing their energy data now to ensure compliance readiness.
Market-wide Half Hourly Settlement (MHHS)
The MHHS programme continues its multi-stage rollout across 2026. Once fully implemented, electricity consumption for organisations with smart meters will be settled at half-hourly intervals.
This shift will increase exposure to time-of-day pricing, meaning:
- Businesses with flexible demand can benefit from optimisation
- Organisations with inflexible or high-peak usage could see rising costs
Understanding load profiles and demand flexibility is therefore essential this year.
Minimum Energy Efficiency Standards (MEES)
Minimum Energy Efficiency Standards (MEES) for commercial properties remain on the regulatory agenda. While timelines have shifted, the direction is clear; buildings with poor energy performance will become increasingly difficult to let or occupy. Landlords and tenants alike should be planning improvement works to avoid stranded assets.
The Ongoing Scope 3 Challenge
Perhaps no aspect of carbon reporting causes more difficulty than Scope 3 emissions: those occurring in your value chain rather than your direct operations. For many organisations, Scope 3 represents over 80% of their total carbon footprint yet measuring it accurately remains genuinely challenging.
The difficulty lies in data availability. Calculating emissions from areas including purchased goods, business travel, employee commuting, and end-of-life treatment of products requires information that sits outside your organisation’s systems. Many suppliers, particularly SMEs, lack the capacity to provide detailed carbon data.
Progress requires pragmatism. Start with the Scope 3 categories most material to your business. Use industry benchmarks and spend-based calculations where primary data isn’t available. Engage key suppliers on their decarbonisation journeys. Perfect data shouldn’t be the enemy of meaningful action.
Technology as a Decarbonisation Catalyst
Proven technologies exist to drive efficiency improvements. The UK Green Building Council (UKGBC) reports that building management systems with AI-enabled optimisation can reduce HVAC energy consumption by 15-25%. LED lighting retrofits deliver rapid payback. Heat pumps offer viable alternatives to gas heating for many commercial applications.
Energy monitoring platforms provide the granular visibility needed to identify waste and verify savings. Battery storage, increasingly cost-effective, allows organisations to shift consumption away from peak periods and maximise their self-consumption of on-site renewables.
Building Engagement Across the Organisation
Technical solutions alone won’t deliver net zero. Lasting change requires cultural engagement. Leaders should communicate not just the compliance imperative but the strategic rationale of how sustainability supports resilience, attracts talent, and meets customer expectations.
Involve employees in identifying efficiency opportunities. Those closest to operations often spot waste that management systems miss. Consider green teams, suggestion schemes, and sustainability training to build ownership across the organisation.
Turning Insight into Action: A Structured Planning Framework
To support your net zero ambitions, consider implementing a structured Carbon Reduction Planning Framework:
Carbon Reduction Planning Framework
- Define Scope (Scopes 1, 2, 3)
This involves setting your organisational boundary identifying all sources of emissions within your organisation, including direct emissions from owned operations (Scope 1), indirect emissions from purchased energy (Scope 2), and value chain emissions such as those from suppliers and business travel (Scope 3). - Set Baseline
Establish a starting point by quantifying your organisation’s current carbon footprint. For example, calculate total annual emissions using available energy and activity data. - Determine Targets (Science-Based optional)
Set ambitious but achievable emissions reduction goals, ideally aligned with science-based targets where possible. For instance, aim for a 30% reduction in operational emissions by 2030. - Track Progress
Monitor performance regularly to ensure targets are being met. Use dashboards or periodic reports to track reductions and identify areas for further improvement.
Strengthening Position Through Proactive Action
Organisations that treat net zero planning as a strategic investment rather than a compliance burden will emerge stronger. Lower energy costs improve margins. Strong sustainability credentials win tenders and attract customers. Reduced exposure to volatile energy markets builds resilience.
With CBAM coming in January 2027 and ESOS Phase 4 deadlines approaching, 2026 is the year to move from planning to delivery.
For further guidance see:
Carbon Reduction Plans and Energy Monitoring & Targeting Software solution.