Silver Mine (Dewatering)

Calculation B

Calculate Pump Time
100	Total Number of Rotating Equipment Per Site
75%	Proportion Pumps
75	Total Number of Pumps Per Site
90%	Utilisation
7,884	Utilisation Hours Per Year Per Pump
591,300	Total Pump Utilisation Hours Per Year Per Site

Calculate Pump Seal Energy Saving Usage #1
20%	% Plan 32's
15	Plan 32's per Mine
162	kW per pump seal energy saving plan 32 to 23
0.27	kg CO₂ eq per kWh
1,277,208	kWh per pump
344,846	kg CO₂ eq per pump
75	cars per pump
19,158,120	kWh per site
5,172,692	kg CO₂ eq per site
1,124	cars per site

Calculate Pump Seal Energy Saving Usage #2
10%	% Plan 21's
8	Plan 21's per Mine
40	kW per pump seal energy saving plan 21 to 23
0.27	kg CO₂ eq per kWh
315,360	kWh per pump
85,147	kg CO₂ eq per pump
18.51	cars per pump
2,365,200	kWh per site
638,604	kg CO₂ eq per site
139	cars per site

Calculate Total Energy Savings Per Site
21,523,320	kWh per site
5,811,296	kg CO₂ eq per site
1,263	total number of equivalent cars saving per site

Scale Up For Global Usage
157	global number of sites
3,379,161,240	kWh
912,373,535	kg CO₂ eq
198,342	total number of equivalent cars globally

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