Energy Efficiency

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Beijing Wastewater Treatment and Reuse Project – Energy Audit – ADB

The project is to enhance the affordability of wastewater reuse with an energy efficiency (EE) option and therefore encourage replacement of freshwater. The project output is to improve capacity for energy efficiency in the wastewater treatment and reuse, through energy audit, energy management enhancement, training, workshop, and policy recommendations. The project outcome will be policy dialogue based on the recommendations so that more municipalities will implement wastewater reuse policies. After the comprehensive energy audit, the target electricity consumption is shown like below:


NO.

Name

Unit

2013

2014

2015

1

Target Electricity   Consumption

kWh

11,611,195

11,387,987

15,092,425


Target Electricity   Consumption

kWh/m3

0.165

0.160

0.200

 

After comparing the data and identifying energy saving potentials, HJI prepared a professional energy management proposals on developing energy efficiency solutions, our service includes two main aspects, on technical side, we provide technical guidance during the implementation of proposed improvement measures; Monitor energy saving after implementation; Provide policy recommendations on enhancing using of reclaimed waste water as a strategic water resource. On the other side, we prepare comprehensive capacity development program and training sessions; Organize knowledge-sharing workshop.

With continued monitoring and improvement, the real data was collected during 2013-2015, shows like below, which verify the accuracy of our previous energy audit results.


NO.

Name

Unit

2013

2014

2015

1

Real Electricity Consumption

kWh

11,389,694

12,849,241

15,179,300

Real Electricity Consumption   Intensity

kWh/m3

0.159

0.175

0.179

3

Real Waste Water Volume

m3

71,425,000

73,382,000

84,694,000

4

CO2 Emission

t CO2/mWh

0.9183

0.9183

0.9183