Energy efficiency is often described as the “first fuel” because the cheapest and most secure energy is the energy that is not used. For businesses, this begins with a straightforward benefit: lower energy bills. In many cases, efficiency investments can pay back quickly through reduced energy costs alone, improving margins and reducing exposure to price volatility.

However, the value of energy efficiency extends beyond energy savings. By improving how equipment, buildings and processes operate, efficiency measures deliver wide-ranging benefits that strengthen business competitiveness across several dimensions:

Efficient and electrified equipment operates more reliably and with less stress, improving process stability and reducing downtime. As processes become more precise and optimised, they also require fewer material and resource inputs, generating less waste. These gains result in higher productivity: for every dollar saved on energy, up to an additional 30 cents of value can be realised. Maintenance costs can also fall sharply – by more than 50% in some cases – due to reduced wear and longer equipment lifetimes, while reduced material losses and waste further strengthen operational efficiency.

Energy efficiency often provides improved process control, enhancing output consistency and quality. Around 75% of companies report that energy efficiency measures reduce production defects. At the same time, more efficient production practices can strengthen brand image and market positioning, with more than half of consumers willing to pay a premium for products associated with efficient and sustainable production.

By reducing pollution and improving indoor conditions, energy efficiency can significantly enhance worker health and well-being. Lower exposure to harmful pollutants leads to healthier staff and better working conditions, with tangible productivity gains of up to eight additional productive days per employee each year.

These benefits add up. Every dollar saved on energy can deliver more than one additional dollar through those multiple benefits, highlighting how energy costs alone understate the full business case for efficiency. Building on the IEA’s work on the multiple benefits of energy efficiency, this report focuses on how these gains materialise within firms, and how businesses can capture these benefits in practice.