Building Heating and Cooling Systems, Carbon – GHG Reporting, Carbon Accounting, Carbon Management, Commercial Buildings, Continuous Commissioning, Control Systems, Energy Audits, Energy Consulting, Energy Procurement and Tariff Analysis, Industrial Energy Systems, Information Systems, Measurement and Verification, Metering and Monitoring services, Process Heat, Pumps, Refrigeration

Contact person

Lincoln Watson


[email protected]


+64 9 309 9482


20-22 Gundry Street, Auckland 1010


Region(s) of operation

Auckland, Bay of Plenty, Canterbury, Gisborne, Hawke's Bay, Manawatu-Whanganui, Marlborough, Nelson, Northland, Otago, Southland, Taranaki, Tasman, Waikato, Wellington, West Coast

Short bio

After 23 wonderful years under the ESP brand, we are rebranding to BraveGen. Over the next few weeks, we’ll be phasing out the ESP branding in favour of BraveGen so please watch this page for updates as they come to hand.

ESP provide an integrated suite of technology and consulting services to help businesses measure, plan and deliver carbon emission reduction and energy efficiency.

Our vision is “sustainability integrated into every business” and our mission is to deliver results that make a difference, through market leading experiences and value; to help our clients achieve their sustainability goals.

We work with many of New Zealand’s leading businesses, to monitor over 1,000 sites and deliver:

  • $60 million in energy cost savings
  • 49,000 tonnes of carbon emissions avoided
  • Over 150 clients
  • 5 million data points gathered every day.

With a long heritage in energy efficiency, we our well known for our market leading technology using the Internet of Things, machine learning and cloud services. Our platform ESP Hub delivers the productivity and visibility needed for sustainable energy efficiency. We have since expanded our service offering to include wider decarbonisation services including CarbonHub, our carbon accounting and reporting tool.

ESP is a New Zealand owned business, with the Crown entity, New Zealand Green Investment Finance as a cornerstone shareholder.

Awards and Certifications

ESP or our clients have won a range of awards, including being a finalist in every EECA awards since 2004 during this time we/our client have been a finalist 11 times and collected 9 wins and 3 commendations.

  • Facilities Manager Association of New Zealand Service Provider of the Year 2021
  • 2018 Finalist Large Users Award – Goodman Properties
  • 2018 Winner Energy Management Project – Goodman Properties
  • 2016 Winner Business Service Excellence Award – ESP
  • 2016 Finalist Energy Management Award – Trident High School
  • 2014 Commended Large Business Award – ASB
  • 2012 Finalist Energy Transport Award – Air NZ
  • 2012 Winner Supreme Award – Air NZ
  • 2012 Winner Energy Management Award – ASB
  • 2012 Winner Energy Transport Award – Air NZ
  • 2012 Winner Large Business Award – ASB
  • 2012 Winner Small to Medium Business Award – ecosystems and Whanganui Pak N Save
  • 2012 Commended Energy Management Award – ASB
  • 2010 Finalist Energy Management Programme – ASB Bank
  • 2007 Winner Public Sector Award – Waitakere City Council
  • 2004 Winner Public Sector Award – Auckland Zoo.


ESP was awarded the Facility Management Association of New Zealand’s (FMANZ) Service Provider of the Year Award for 2021.

ESP’s carbon emissions 2021

A great result for our FY21 carbon emissions with a reduction of 49% from the prior period. Whilst Covid-19 definitely had a material impact, focusing on our procedures for travel and the increased use of video conferencing has worked well.

ESP Release Radar

This month we’re excited to share some of the key functionality in ESP Hub – New Zealand’s leading intelligent utility and carbon analytics platform.

ESP Release Radar – September 2021