Every story starts with a number.
Every story is told with the baseline, the intervention, the measured result, the commercial logic, and the evidence.
$148k/yr verified on an Auckland CBD A-grade office, with NABERSNZ 3.5 to 4.5. Utility, occupancy, and IEQ metering across every office and branch of a big-four NZ bank. $412k/yr blended on cold-chain. $92k/yr operational tranche at Mackersy. 21% common-area reduction in regional retail. $60-72k/yr at Meadow Mushrooms.
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Mixed-use NZ CertifyFrom NABERSNZ 2.0 toward 4.5 stars on existing infrastructure.
A Hamilton precinct started from a 2.0-star NABERSNZ base. An Opportunity Scan turned existing BMS data into a costed pathway: a projected 37% energy reduction and about $92,000 a year in savings, no major capex, and finance-ready documentation to support a green loan application.
- Saving
- $92k/yr
- Capex
- No major capex
- Rating
- NABERSNZ 4.5 target
22 April 2026
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Multi-site NZ Save moneyEvery office and branch of a big-four bank, metered.
One of New Zealand's big four banks wanted every office and branch visible: energy use, indoor conditions, and how the space gets used. Tether metered the whole network with Aotea Group. By the bank's own estimate one month of power savings pays for the monitoring, and the same data got a failing HVAC system repaired by its landlord.
- Coverage
- Every site
- Reported payback
- One month
- Metering
- Utility, occupancy, IEQ
18 March 2026
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Industrial NZ Make moneyRefrigeration tune-up plus 720 kW rooftop solar.
A cold-chain distribution facility lowered its run rate and added a new income line. Refrigeration tuning paired with 720 kW of rooftop solar covering 38% of annual load.
- Saving
- $412k/yr
- Payback
- 4.2 yrs
- Solar offset
- 38%
4 March 2026
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Industrial NZ Save moneyTwo identical farms, one motor upgrade, $60,000 to $72,000 a year.
Identical operations across two mushroom farms were producing very different energy bills. Tether's benchmarking made the difference visible, pointed to motor upgrades instead of full fan replacements, worth $60,000 to $72,000 a year.
- Saving
- $60-72k/yr
- Payback
- Under 12 months
- Verification
- M&V tracked
26 February 2026
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Office NZ CertifyFrom NABERSNZ 3.5 to 4.5 in nine months.
An A-grade tower lifted a full star on its NABERSNZ rating without major capex. BMS tuning, after-hours profile changes, and tenant comfort feedback did most of the work.
- Saving
- $148,000 / yr
- Payback
- 5 months
- Rating
- NABERSNZ 4.5
15 February 2026
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Retail NZ Save money21% reduction across the centre common area, verified.
A regional shopping centre cut energy across the common area by 21% in twelve months. Sub-metering showed where the load was. The works followed.
- Saving
- 21% energy / yr
- Payback
- 14 months
- Verification
- M&V verified
20 January 2026