BASIC DATA ON JAURU HYDROPOWER PLANT

THE COMPANY

On 3 February 2000, Queiroz Galvão Energética S/A and Cinco Estrelas Agropecuária e Participações Ltda. formed the Jauru Joint Venture to build and operate Jauru hydropower plant, with the following shareholding ratio: Queiroz Galvão Energética S/A - 90%; Cinco Estrelas Agropecuária e Participações Ltda -10%.

CONCESSION CONTRACT

The concession contract for the joint venture was authorized by a Presidential Decree of 16 June 2000 and ratified by Resolution 160 issued by the Brazilian Electricity Regulatory Agency (ANEEL) on 26 May 2000.

CONCESSION TERM

Thirty years from the date of signature of the Contract for Public Utility Concession

LOCATION

Southwestern Mato Grosso, Paraguay river basin.

River Jauru
Right bank municipality Jauru - MT
Left bank municipality Indiavaí - MT
Distance by road from Cuiabá 452 km
Distance by road from Jauru 42 km
Coordinates 15º 14’ south - 58º 43’ west

 

JAURU RIVER

 

Regulated Flow 34.20 m³/s
Flow, return period = 50 years 627 m³/s
Flow, return period = 10,000 years 1,141 m³/s

 

RESERVOIR

 

Drainage area 2,620 km²
Reservoir area (elevation 355.00) 2.62 km²
Maximum water level 358.65 m
Normal water level 355.00 m
Total volume (elevation 549.00) 20,140 x 10³ m³
Active storage capacity 12,520 x 10³ m³

 

MAIN DAM

 

Type Random and rip-rap rockfillp
Crest elevation 360 m
Crest width 6 m
Length 570 m
Maximum height 46 m

 

SPILLWAY

 

Type Free-sill
Width 80 m
Discharge capacity 1,140 m³/s
Sill elevation 355.00 m

 

INTAKE PENSTOCK

In underground rock with reinforced concrete and steel lining.

Length of headrace tunnel 340.00 m
Length of vertical tunnel 90.00 m
Length of pressure tunnel 250.00 m

 

POWERHOUSE

 

Type Indoor, made of conventional concrete
Length 30.50 m
Width 13.50 m
Number of units 3
Overhead travelling crane 850/50KN

 

TURBINES

 

Type Francis, with vertical axis
Rated capacity 40.50 MW
Rotational capacity 400 RPM
Rotation direction Clockwise
Maximum net head 106.77 m
Minimum net head 100.88 m

 

GENERATORS

 

Rated capacity 45 MVA
Power factor 0.90
Frequency 60 Hz
Operating voltage 13.8 KV +/-5%
Rotational speed 400 rpm

 

SUBSTATION

 

Voltage 138 KV
Area 3,808 m²

 

ASSOCIATED TRANSMISSION SYSTEM

 

Length 18.54 km
Circuit Double 138 KV

 

INTERCONNECTION

 

System CEMAT
Substation Jauru - MT

 

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