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- Sete Lagoas/MG

Data and results of the project to reduce technical losses.


3 Substations

24 Feeders

100.000 Consumers

3.428 Km Medium Voltage Network

797.600 MWh/year Power Consumption

23.766 MWh/year Energy Losses (2,98%)

3,1 MW Power losses (3,15% - FP 0,92)

~BRL 2.543.000 Annual cost of losses (BRL 107,00/MWh)

Results Scenario 1

Technical and financial results for the first scenario of the project.

Energy Losses Reduction Demand Losses Reduction Number of Maneuvers
7,54% 7,94% 148

Results Scenario 3

Technical and financial results for the third scenario of the project.

Energy Losses Reduction Demand Losses Reduction Number of Maneuvers Cable Replacement New Cables
10,55% 9,92% 412 7,5 Km 104 Km

Economic and Financial Analysis

Performed with data provided by the distribution company.

Prior 2013 Tariff Review
Company
Initial Investment [thousands of BRL] NPV [thousands of BRL] IRR [%]
Scenario 1 22,2 1.347 971%
Scenario 3 2.786,1 4.033 39,4%

Current - After 2013 Tariff Review
Company Consumer Society
Initial Investment [thousands of BRL] NPV [thousands of BRL] IRR [%] NPV [thousands of BRL] NPV [thousands of BRL]
Scenario 1 22,2 2.068 1.794,4% 2.733 4.080
Scenario 3 2.786,1 5.041 49,2% 14.370 14.370

Technical Analysis

Distribution grid data prior and after the third optimization scenario.


Energy Losses [MWh/month]

Demand Losses by Period [KW]

Overload Length [m]

Voltage Levels [KV]

Initial Configuration

Optimized Configuration (141 new switches)

Analyzed Grid (2542 analyzed switches)

Analyzed Grid Detail