MOPO

CBESS for Commercial

 
 
 

SOLUTION EFFICIENT USE OF ELECTRIC ENERGY

SOLUTION: Save electricity costs with the CBESS Container Energy Storage System;

Supplier: Powercentric Joint Stock Company
Capacity of the System: 1,058 kWh
System capacity: 500 kW

1.  BASIS OF CALCULATION:

Based on monthly electricity bill
Based on the company's working hours
- Based on customer-provided information

2.   SOLUTION

Recharge electricity for CBESS during off-peak (low electricity price) and normal hours (normal electricity price)
Discharge of CBESS stored electrical energy to supply power to businesses during peak hours (high electricity prices)

3.  CALCULATION SPECIFICATIONS

Capacity of CBESS: 1,058 kWh
Capacity of CBESS: 500 kW
- The Powercentric side calculates as follows:

No.

Time slot

 

Classify hours

 

Status

 

Electricity price of EVN (VND)

Power Consumption
(kWh)

Cost of purchasing electricity when using storage 
(VND)

Cost of purchasing without using storage system
(VND)

1

From 0h 
From 4h

Low hours

Charge

1,622

1,058

1,716,076

 

2

From 9h30 
to 11h30

Rush hours

 Discharge

4,586

1,058

 

4,851,988

3

From 12h 
to 16h

Normal hours

Charge

2,666

1,058

2,820,628

 

4

From 17h 
to 20h

Rush hours

Discharge

4,586

1,058

 

4,851,988

 

 

TOTAL

 

 

 

4,536,704

9,703,976


When customers use the Electric Energy Storage System, customers will save: 5,167.272 VND/day = 1,718 billion VND/year

4.  ANALYSIS OF INVESTMENT OPTIONS
4.1. Option: Customer invest
- It is expected that customers will recover their capital after 5.5 years and the system will be used for more than 15 years;

- In addition, after the system is no longer in use, the company Powercentric will commit to buy back with a value of 5% to 10%.

4.2.   Option: Powercentric invest
Powercentric company fully invested
- Customers enjoy 10% of the cost of saving electricity:
  + 10% * (1,718,000,000 VND/year) = 171,800,000 VND/year
Powercentric company enjoys the remaining 90% of the cost of saving electricity

5.  PROPOSED PLAN: CUSTOMERS INVESTMENT PLAN
With the above calculation methods, Powercentric company does not include the benefit when the annual electricity price will increase by 3% to 5%.

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