Delivering results
ESP has helped businesses integrate energy efficiency and sustainability into their operational performance for 20 years.
With great digital experiences, cost effective solutions and specialist engineering capability, we will efficiently plan, deliver and report the results you are looking for.
Market Leading Technology
Access the right data, at the right time, to make informed decisions. ESP’s user-friendly software delivers accurate, timely data to make it easier to identify and deliver your sustainability initiatives.
Professional Services
Award winning ESP engineers provide industry best practice, technical skills, innovative ideas and a collaborative approach to find the best solution for success.
Proven Results
We work with 150+ of New Zealand’s leading organisations to reduce energy and carbon emissions. Together, we’ve delivered $81 million in savings and avoided 60,000 tonnes of carbon emissions.

Energy Management
ESP has a wide range of cost effective solutions to help you deliver energy efficiency. Our unique ability to bring technology and engineering experience together, provides you with the visibility and confidence to efficiently and effectively focus your efforts, achieve quick wins and sustain long term results.
Decarbonisation
Navigate the rapidly evolving challenge of decarbonisation. With climate change being one of the most significant issues facing government and business, now is the time to take action.
ESP provide the tools and advice to get started. We will help define your carbon footprint, map your roadmap, progress decarbonisation initiatives and report great results.


Water reduction
Water shortages and increased costs have changed the demands of businesses to use our critical water resources more sustainably. ESP’s unified platform provides visibility of water use, correlated with other utilies, every day.
Monitor water use whenever you need and receive alerts identifying leakage and unnecessary consumption in a timeframe that allows you to take effective action.
NABERSNZ ratings
Optimise the economic and environmental performance of your built environment with ESP software and experienced engineers. Rapidly identify your energy and carbon opportunity with our unique baseline audit service, then plan a path to economic and carbon goals to achieve NABERSNZ certified ratings.
