CEMIG D
Danilo Gusmão Araújo
Electricity system performance
Outage duration indicator (SAIFI) is best in past few years, with strong reduction in accidental outages Cemig D - SAIDI (Outage Duration) vs. Aneel Target - from 2008SAIDI - programmed
SAIDI - Aneel Target
SAIDI - accidental
SAIDI - Cemig D Total
Electricity system performance
Outage Frequency (SAIFI) is also best in past few years Cemig D - SAIFI (Outage Frequency) vs. Aneel Target - from 2008SAIDI - programmed
SAIDI - Aneel Target
SAIDI - accidental
SAIDI - Cemig D Total
Actions taken to improve performance
Investments in O&M - R$ mn
Actions taken to improve performance
More automated equipment means fewer field visits:
- lower Average Attendance Time (TMA) for adverse eventsIncrease in
remote-controlled equipment
Number of technician field visits
made unnecessary (thousands)
In 2012, there were 2,304 remote controlled equipment. Between 2013 and 2014 this number had almost doubled, adding 2092 units. Projected target for end-2015 are 5,000 remote controlled units.
90.8% commands active reduced 134,962 field visits by Cemig personnel.
Estimate for total travel costs savings for 2014 were R$ 16.7mn, while in 2013 it was R$ 13.6mn.
Average time to handle network problems was reduced by 25% since 2008.
Action taken to improve performance
Dual path supply to municipal centers with automated transfer
Substation 1 Substation 2
R City A R
R R
Actions taken to improve performance
R$ 60mn were invested to acquire 15 mobile substations
Quick service in the event of failures
Increase in preventive maintenance to increase reliability
Additional availability to transform
Actions taken to improve performance
R$ 77.5mn invested to modernize underground distribution network in
Belo Horizonte, and in rest of Minas Gerais 237 kms of cable replaced
177 switches replaced and automated
8 transformers replaced
By 2017, additional completed:
117 km of cable
83 transformers
152 switches
Global Continuity Performance (DGC)
Aneel ranking
Cemig D ranked 7th in 2014 Aneel ranking
Moved up 10 positions from the previous year
Ranked in First Quartile - Best Performance
Opex in O&M
In 2014 R$ million
Impact on revenue
Improvement in electricity system contributed to significant revenue gainsChange in regulatory rules
Table 1 - Component Q of X Factor DECI/FECIOver 20%
17% to 20%
14% to 17%
11% to 14%
8% to 11%
5% to 8%
-5% to +5%
-8% to -5%
-11% to -8%
General ruleBest performances
Worst
performances
Significant reduction in compensation fee due to non-compliance with continuity indicators-17% to -14%
-20% to -17%
Below -20%
Positive effect on X Factor, representing increase of R$ 40mn in the Portion B during last 2 tariff adjustmentsInvestor Relations
Telephone: (55-31) 3506-5024
Fax: (55-31) 3506-5025
Email: ri@cemig.com.br
Website: http://ri.cemig.com.br
distributed by |