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Reducing a utilities outage time by 99 percent

The challenge
Keeping customer lights on during utility upgrades
A major electric utility company was conducting upgrades to a transmission line, which would require a two-day outage to complete the work. Unfortunately, this would leave many customers without power for several hours. Immediate on-site power at 13KV was needed to keep the distribution network energized to avoid outages and unhappy customers.
Equipment would need to be deployed and set up within a week, but since hunting season was underway, no access was allowed on to the site until two days before the outage was set to occur.

The solution
A ready-to-go package with the manpower to support it
Timing and reliability were of the most importance for this customer, and since this was our first time working together, we knew we needed to quickly establish trust and demonstrate our capabilities.
Our experts designed and mobilized a package of 12 MW temporary generation to provide power through our distribution network, including all switchgear, transformers and 10,000 feet of cabling. All equipment was delivered within the two-day time frame along with a team of 12 certified technicians and two technical experts to ensure a reliable and timely setup.

The Impact
Reliable power alternatives allowed successful upgrades
The project was a complete success, helping to minimize the duration of the outage from 48 hours to two five-minute interruptions in power.
With the short, limited outage times, the customers’ end-users were hardly disrupted or left without power, and we helped to save our utilities customer several minutes off their Customer Average Interruption Duration Index (CAIDI.) The utilities customer was able to complete upgrades and in Aggreko, they found a lasting partnership.


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Around the world, people, businesses and countries are striving for a better future. A future that needs power and the right conditions to succeed.

That’s why at Aggreko, we work round the clock, making sure you get the electricity, heating and cooling you need, whenever you need it – all powered by our trademark passion, unrivalled international experience and local knowledge. From urban development to unique commercial projects and even humanitarian emergencies, we bring our expertise and equipment to any location, from the world’s busiest cities to some of the most remote places on earth.

Every project is different, so we listen first and design a system around you, delivering our service and support anywhere, to any scale. Transforming the lives and livelihoods of individuals, organisations and communities across the globe.