Apresentação do PowerPoint

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 2008

SAIDI - 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 2008

SAIDI - 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 events

Increase 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 gains

Change in regulatory rules

Table 1 - Component Q of X Factor DECI/FECI

Over 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 rule

Best 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 adjustments

Investor Relations

Telephone: (55-31) 3506-5024

Fax: (55-31) 3506-5025

Email: ri@cemig.com.br

Website: http://ri.cemig.com.br

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