Challenge

• 23,400 sets of power supply systems serving for more than 20 years
• Low efficiency (75%~85%) , low reliability

Solution

• Replace the existing legacy power systems with Huawei’s innovative power systems (rectifier efficiency: 96%, system efficiency: 95%)
• Make further research on the energy saving performance of Huawei 98% high efficiency rectifier, and start the second round power modernization

Benefit

• 10% improvement of energy efficiency brings 33,288 kWh electricity saving, 63,000 tons of CO2 reduction and £170 million electricity cost
• 2.6 years of ROI and considerable profits from energy saving in the future