Efficiency

Fewer A, A+, and B rated Energy Performance Certificates were registered across the UK's commercial real estate sector in 2025 than in the two previous years, new analysis warns

Upgraded climate AI tool outperforms general-purpose chatbots on accuracy and energy efficiency, creators claim

The government's response to the worsening energy crisis has been broadly impressive, but the blind spot over energy efficiency is becoming ever more glaring

Proven low-carbon solutions could slash global energy investment requirements by $15tr through to 2050, while enhancing energy and resource security, new study claims

New reports frame building retrofit and optimisation as key if the UK's built environment is to meet ambitious climate goals

James Widmer, CEO of Advanced Electric Machines, explains how his firm's technology has transitioned from research to 'commercial reality'

Heat battery firm's founder and CEO James Macnaghten explains why he takes inspiration from Victorian-era engineers, and how scale comes from repeatability and simplicity

Rachel Reeves signals targeted support planned to help households cope with expected increase in energy bills, as she announces further reforms to help fast track nuclear and renewables projects

Aira UK's managing director explains why it's crucial to look beyond the rhetoric and focus on shared values when talking about sustainability

New website features anonymised data from every installed Cosy heat pump, providing real world evidence of how the technology is working for households