ITIL 4 Sustainability case studies
ITIL 4 Sustainability · Put your knowledge to work in context.
The ITIL 4 Sustainability in Digital and IT certification is a specialist ITIL 4 title listed by PeopleCert among its IT governance and service management certifications. It is aimed at professionals who want to bring sustainability thinking into the way digital products and IT services are designed, delivered and improved - typically service management practitioners, digital and IT managers, and change or improvement leads whose responsibilities increasingly include environmental and social responsibility alongside value delivery. The ITIL 4 Sustainability case studies are 5 cases and about 4,744 words.
1Cooling retrofit: trading kilowatt-hours for potable water
Northvale Data Centres operates a 6 MW IT load colocation facility in a region classified as extremely high water stress, where the utility has imposed a 15% annual water reduction target on large consumers. The site uses evaporative cooling: PUE 1.18, but 42 million litres of potable water a year.
987 words, about 5 min2Extending device life against an endpoint support deadline
Meridian Bank runs 12,000 end-user laptops across 14 countries on a three-year refresh cycle. Its sustainability team calculates that manufacturing accounts for about 300 kgCO2e per laptop, roughly 75% of the device's lifetime footprint, and proposes extending the cycle to five years - cutting annual embodied emissions by around 40% and deferring EUR 4.2 million of capital spend.
975 words, about 5 min3Cloud migration: a 60% saving that shrank to 22%
Halden Logistics is migrating 420 on-premises virtual machines to a hyperscale public cloud, with a business case claiming a 60% reduction in IT energy use and a corresponding cut in scope 2 emissions. Six months in, the cloud bill is 18% over plan, and the sustainability team's first estimate shows only a 22% energy reduction.
919 words, about 5 min4A sustainable tender with unverifiable evidence
A government agency is replacing 8,000 monitors and 3,000 docking stations. The published tender scores 70% price and 30% quality, and the award criteria were fixed before bids were opened.
925 words, about 5 min5Net benefit: forecasting model cuts food waste and raises IT energy
FreshRoute, a grocery retailer, has deployed a demand-forecasting model across 900 stores. Pilot results show an 18% reduction in food waste in participating stores - roughly 3,100 tonnes a year at full rollout - but the model requires 40% more compute, adding an estimated 2.4 GWh annually, and store staff now use handheld devices about 30 minutes more per shift.
938 words, about 5 min