By Graham Paul, Service Delivery Director, TEAM Energy

For many organisations, Scope 2 emissions have represented one of the clearest success stories in corporate decarbonisation.

Over the last decade, businesses have switched to renewable electricity tariffs, entered power purchase agreements (PPAs) and procured renewable energy certificates to reduce emissions associated with purchased energy. Combined with ongoing grid decarbonisation and energy efficiency initiatives, these actions have enabled organisations to achieve significant reductions in reported emissions, often faster than in other areas of their carbon footprint.

The challenge now is that many organisations have already captured these easier gains.

In the UK, renewable technologies accounted for a record 52.5% of electricity generation in 2025, with low-carbon sources accounting for 64.8%.

As market based Scope 2 emissions approach zero for a growing number of businesses, the conversation is changing. The question is no longer how to buy greener electricity, but how to consume less energy and use it more effectively.

The era of straightforward Scope 2 reductions is ending

Scope 2 emissions have traditionally been viewed as one of the more manageable parts of an organisation’s emissions inventory.

Unlike Scope 3 emissions, which rely on supplier engagement and influence across complex value chains, Scope 2 emissions are largely under an organisation’s direct control. Purchased electricity, heating and cooling typically represent a significant operational cost as well as a notable source of emissions, making them a natural focus for carbon reduction strategies. The GHG Protocol notes that energy generation accounts for almost 40% of global greenhouse gas emissions, with commercial and industrial organisations responsible for consuming around half of that energy.

Renewable electricity procurement has played an important role in accelerating progress. It has provided a practical mechanism for reducing reported emissions while helping to support investment in low-carbon energy generation.

However, many organisations have now reached a point where switching energy contracts alone is unlikely to deliver further substantial reductions.

As a result, businesses are entering a new phase of Scope 2 management, one that requires greater attention to consumption, efficiency and operational performance.

Low reported emissions do not necessarily mean low energy use

This is where Scope 2 reporting becomes more nuanced.

An organisation can report minimal market-based Scope 2 emissions while still consuming substantial volumes of electricity. From a carbon reporting perspective, the outcome may appear highly positive. From an energy management perspective, it may reveal significant inefficiencies that remain unresolved.

This distinction is becoming increasingly important as stakeholders place greater scrutiny on sustainability claims and expect organisations to demonstrate tangible environmental impact alongside reported performance.

Renewable electricity remains an essential component of the energy transition. Yet there is growing recognition that purchasing clean electricity and reducing demand are two different achievements.

The most mature organisations are now focusing on both.

Rather than viewing renewable procurement as the final objective, they are treating it as one element of a broader strategy centred on reducing overall energy consumption, improving operational efficiency and strengthening long term resilience.

The electrification paradox

At the same time, organisations are becoming increasingly dependent on electricity.

Vehicle fleets are transitioning to electric alternatives. Gas-fired heating systems are being replaced with heat pumps. Industrial processes are moving away from fossil fuels in favour of electrified technologies.

These changes are critical to achieving long-term net zero objectives, but they also create a new challenge.

As organisations decarbonise, electricity demand is likely to increase.

This creates what could be described as an electrification paradox: emissions reduction strategies often require greater reliance on electricity, even as organisations seek to lower energy-related impacts. The International Energy Agency identifies electrification of heating systems and building energy use as a critical part of the transition, while highlighting that buildings account for around 30% of global energy demand.

Managing this transition successfully requires more than simply securing additional renewable energy supplies. Businesses must understand how electrification affects infrastructure requirements, peak demand, operational resilience and future energy costs.

Those that succeed will take a proactive approach to energy planning, integrating carbon reduction goals with broader business and operational objectives.

Why energy efficiency is returning to the spotlight

For several years, energy efficiency initiatives have often received less attention than higher-profile sustainability commitments.

That is beginning to change.

As procurement-led Scope 2 reductions start to level off, energy efficiency is re-emerging as one of the most effective tools available to organisations seeking further progress. While renewable electricity procurement can reduce reported emissions, efficiency measures tackle the root of the issue by reducing energy demand itself.

The benefits extend beyond carbon reporting.

Lower consumption can reduce operating costs, limit exposure to energy price volatility, ease pressure on infrastructure and support long-term business resilience.

Many opportunities remain readily accessible, including:

• Optimising HVAC performance.
• Improving building management systems and controls.
• Eliminating unnecessary baseload consumption.
• Deploying monitoring and targeting programmes.
• Investing in smart technologies and automation.
• Upgrading building fabric and energy-intensive equipment.

Despite widespread awareness of these measures, many organisations still have significant untapped efficiency potential.

The organisations making the greatest progress increasingly view energy performance as a strategic business issue rather than solely a facilities management responsibility.

After all, the most sustainable unit of energy is often the one that never needs to be consumed.

Data is becoming the differentiator

The next stage of Scope 2 management is likely to be driven by data rather than procurement alone.

Many organisations can report annual electricity consumption figures. Far fewer can confidently identify where energy waste occurs, explain variations between sites or quantify which interventions will generate the greatest savings.

As electricity becomes more central to decarbonisation strategies, this level of insight becomes increasingly valuable.

Achieving it requires better visibility across operations through improved metering, real-time monitoring and stronger governance of energy data.

Organisations that can translate energy data into action are far more likely to uncover inefficiencies, improve operational performance and make informed investment decisions.

In this respect, energy data is becoming a competitive advantage as much as a sustainability requirement.

Entering a new phase of Scope 2 management

Renewable electricity procurement remains an essential element of corporate decarbonisation.

For many organisations, however, it is no longer the destination. It is the foundation.

As the easiest Scope 2 reductions have already been achieved, attention is shifting towards energy efficiency, electrification planning, operational optimisation and data-led decision making. For organisations already buying renewable electricity, the challenge is increasingly about identifying the remaining opportunities to reduce Scope 2 emissions.

The organisations that excel in this next phase will not necessarily be those reporting the lowest Scope 2 emissions on paper.

They will be the ones that understand their energy demand, use energy more efficiently and continuously improve the performance of their operations.

Because while cleaner electricity has helped transform Scope 2 reporting, the next challenge is far more fundamental: not simply buying cleaner energy, but needing less of it in the first place.