Case Studies
Measured outcomes across real estates.
How integrated tariff, battery and infrastructure strategies deliver long-term value for our clients.
United Kingdom
The Sostratus Difference
£59,972 per year
Tariff optimisation plus a fully-funded ~840 kWh battery for a ~627,000 kWh / yr food manufacturing facility — ≈ 29% of prior spend.
Read case studyHonolulu, HI · Agreement drafted
DR Fortress Data Center
$487k/yr projected, zero capex
1,450 kW cogeneration with a 334-ton absorption chiller sized to round-the-clock data centre base load.
Read case studyHonolulu, HI · Contracted
Sheraton Waikiki
$500k+/yr projected, $9m+ capex avoided
2.2 MW cogeneration and full thermal system replacement for a 1,653-room destination resort.
Read case studyNew York, NY · In service
Hilton New York Midtown
Over 45% of power and steam on site
1.75 MW cogeneration plant serving one of the largest hotels in New York City.
Read case studyNew York, NY · In service
Millennium Hilton Church St
$200k a year saved, zero capex
500 kW cogeneration integrated with the existing heating and hot water plant in Lower Manhattan.
Read case studyNew York, NY · In service
Millennium Broadway
$300k a year saved, steam ring exit
750 kW cogeneration and a full central plant renewal, taking the property off the NYC steam ring.
Read case studyLos Banos, CA · In service
Godinho Dairy Digester
20-year PG&E BioMAT PPA, 10.6% IRR
2 MW biogas-to-power digester turning dairy waste into long-dated, indexed revenue.
Read case studyLos Angeles, CA · Proposal
Athens Services Crown MRF
$189k/yr modelled, zero capex
2.4 MW solar and battery microgrid with 20 ViaGen modules capturing energy from site vehicle movements.
Read case study