productivity

ENERGY FOR
PRODUCTIVITY
ISAGEN is a mixed public services company which
specializes in the generation and marketing of energy.
ISAGEN is located in Colombia, and its power plants are in
Antioquia, Santander and Caldas provinces. The Company
contributes to the country productivity by generating and
trading electric energy, as well as trading natural gas
through networks, coal, steam and other energy sources
for industrial utilization.
ISAGEN owns and operates four hydroelectric power
plants and one combined cycle gas turbine power plant
with a total generating capacity of 2,132MW, (15,9%
of the installed generating capacity of Colombia).It is
a young company but has over 40 years of experience
in generating energy, stemming from the development
of the largest hydroelectric plants in the country. The
high levels of availability, the modernization of their
power plants and an effective preventive and predictive
maintenance plan, constitute the company’s strength
in generation for guaranteeing the fulfillment of electric
supply commitments made to their clients.
ISAGEN’s Quality Management System, the Environment
and Occupational Health are certified by INCONTEC.
HYDROELECTRIC
GENERATION
HYDROELECTRIC
COMPLEX
OF EASTERN
ANTIOQUIA
Historical archive
SAN CARLOS HYDROELECTRIC POWER PLANT
San Carlos Hydroelectric Power Plant is located in the
Department of Antioquia, some 150km east of Medellín,
Colombia. San Carlos Hydroelectric Power Plant is the
largest power generating plant in the Colombian network,
having a total generating capacity of 1,240MW. San
Carlos has eight 155MW turbine generator units in an
underground powerhouse. The power generators are
divided into four groups of two generators, each group
of two generators being connected to a bank of three
single-phase 16.5/230kV transformers. The transformers
are also located below ground in a cavern adjacent to the
turbine-generator cavern. The generated electricity is then
transmitted to an above-ground 230kV electrical substation
via oil-filled high voltage (HV) cables. Its first stage began
operations in 1984 and the second, in 1987.
MAIN EQUIPMENT
Eight vertical shaft Pelton turbines, with 22 buckets, flow
of 32.7M3/s/; a diameter of 4,0 m, 22 tons of weight and
160MW nominal power. Each turbine operates under a
medium net head of 554 m and 300 rpm.
At the inlet of each turbine there is a spherical valve of
1,90 m of diameter and 68 tons of weight with a closing/
opening time of 120 s.
Eight threephase synchronous generators, vertical shaft,
170 MVA, with a power factor of 0,95, operating at a
300 rpm, 60 Hz and of 16,5 kV.
Twelve single-phase transformers, 183 MVA, plus a
reserve transformer. The transformers are disposed in
four three-phase banks to connect to two generators
each. Transformer ratio is 15,8 kV to 230/√3 kV.
PUNCHINÁ DAM
Air conditioning and ventilation systems of the power
house.
The Punchiná dam is located on the Guatapé River, close
to the Puerto Belo village. It forms a reservoir of 3.4 km2,
with a volume of 72 Mm3, 53,23 Mm3 of which are useful
reservoir.
Fire extinguishing system for the main equipment.
The dam has a height of 70 m, 800 m of length and 6 Mm3 of
compacted residual soil, with a crest level of 785 m.a.s.l.
RIVER DIVERSION
AND BOTTOM DISCHARGE
During construction, the river’s diversion was done by a
concrete tunnel with a double-bodied rectangular section,
located on the right margin of the river, of 414 m of
longitude and 35 m2 of section, one of them, sealed by two
sliding gates in order to control the flow and to enable its
utilization as a bottom discharge of the reservoir. Upon
completion of the dam’s construction, the other section
was sealed off by means of a concrete plug.
A three-phase 230 kV circuit in oil-filled single-pole cables
leaves each of the power transformer banks. The circuits
are 450m. long, and are installed in two inclined shafts
which run from the transformer cavern to an outside
structure, where the cables join two, 230 kV transmission
lines which go to the substation, 2.5 kilometres away.
Power plant is supervised by the National Dispatch Center
-CND-. The CND computers perform the automatic
generating control -AGC-, as well as the supervision. Tele
communication between the CND in Medellín and power
plant is done through microwave and optical fiber.
CONNECTION TO
THE TRANSMISSION NETWORK, STN
The San Carlos power plant’s power is delivered to the
National Transmission System -STN-, by two 230/500 kV
substations.
SAN CARLOS HYDROELECTRIC POWER PLANT
Surge tank
Wells and Pressure pipes
Of orifice type, hydraulic concrete
coated, with a 105 m high shockabsorber tank and inner diameter of 13.5
m in the Surge tank #1 and 17 m in
#2. They are connected to the pressure
shafts through a 170 m- well.
Two conduction tunnels connect with
two 45° sloped pressure-shafts, 346
m long, concrete coated, circular
section of 5.5 m and 6.75 inner
diameter respectively. These inclined
shafts end in steel pipes of 3.30 m
diameters. At the en dramify in two
pipes, feeding four generating units
in the first stage and six units in the
second one.
Well and ventilation Tunnel
Cavern ventilation is carried out
through a 187 m-vertical shaft with
a 4 m-circular section ending in a
horizontal tunnel.
Cable Shaft
Power cables exit transformer cavern
by two 47° sloped shafts. The one
corresponding to San Carlos’ I, is 260
m long and has a 8 m2-section.
The two wells end on the upper
section of a horizontal tunnel from
where cables pass though to an
existing structure, finally going to the
main substation.
Intake system
Waters from the reservoir are taken
through two 54 m- catchment towers,
each one with 6.30m-circular sections
of diameter for San Carlos I and 7.50m
for San Carlos II.
The towers, located over the right margin
of the Guatape river are controlled
cylindrical floodgates. Through these
towers, the required flows for the Power
Plant generation are delivered to the
conduction tunnels by means of two
vertical concrete-coated wells 147m
deep each.
A metallic bridge joins the operation
floors of the towers and enables the
ancillary floodgates transfer from one
tower to the other on a special cart. Each
water intake to the towers is provided
with a strainer grid.
Powerhouse
It is composed of two underground
parallel caverns, located approximately
400m deep. The main cavern, dedicated
to the generation units, is 203m long,
19,65m wide and 27,5m high.
The transformer cavern is 203m long,
13m wide and 15,3m high. The access
to the cavers is carried out by a 1.113m
long tunnel, with a 8,9% slope and a
double concrete paved-roadway.
ISAGEN S.A. E.S.P. POWER PLANTS
Conductions
Discharge Tunnels
Each stage of the Power Station has
an independent conduction with two
4.474m & 4.501 tunnels with 1.5% and
0.5% slopes respectively.
Waters used by turbines for energy
generation exit the Station to be
delivered into the Samana River
through two discharge tunnels
1.587m long, with 74 m2 & 102 m2
sections and 0.18% & 0.17% slopes,
respectively.
The tunnels are coated most part of
their trajectory by thrown concrete and
on the decomposed rock sections, by
conventional concrete with circular
sections of 6,1m & 7,5m respectively.
The tunnels operate as a free flow
conduct for a 132 and 198 m 3/s
discharge with a free edge or 2,6 m
on the upper side.
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JAGUAS HYDROELECTRIC POWER PLANT
The Hydroelectric Power Plant of Jaguas, with an installed
capacity of 170MW, is located in the Department of
Antioquia, over the basin of the Nare and Guatapé Rivers,
117 km east of Medellín via the Medellín -el Peñol- GuatapéSan Rafael highway.
It takes advantage of the river Nare’s flow, downstream
of the Santa Rita dam, El Peñol reservoir, by means of an
earth dam that forms a reservoir with a total capacity of
185.5 Mm3. Its commercial operation began in 1988.
GUILLERMO CANO DAM
It is located on the Nare River, one kilometer downstream
of the confluence with the San Lorenzo River; it has a
crest longitude of 580 m, a maximum height of 63 m and
a volume of 3,2 Mm3. Built of sediment and decomposed
rock, it forms a 10.6 km2 reservoir, with a total capacity of
192,32 Mm3, 164,55 Mm3 of which correspond to useful
volume. Its maximum level is 1.247 m.a.s.l.
The Low zone Dam, built over the left margin of the Nare
River to close a depression in the dividing line of the Nare
and Guatapé rivers’ basins, has a length on the crest of
715 m and a maximum height of 50 m.
MAIN EQUIPMENT
Two Francis type turbines with vertical shaft, each one
with a rated power of 70MW, 400 rpm. The turbines have
as an incorporate cylindrical-type valve.
Two three-phase synchronous power generators,
vertical shaft, 13,8 kV, 90 MVA power factor of 0,95.
The generators have static excitation system based on
thyristors.
Two main three-phase power transformers, FOW, 103,5
MVA and ratio of 13,2/230 kV.
Air conditioning and ventilation systems of the power
house.
Fire extinguishing system for the main equipment.
230 kV power cables, oil filled type, which through the
cable shaft, connect the main transformers to 230 kV
Jaguas substation.
CONNECTION TO
THE TRANSMISSION NETWORK, STN
The energy produced by the Jaguas hydroelectric power
plant is distributed to the National Transmission System
-STN- through a 230 kV substation with a configuration,
main and transfer busbar.
SPILLWAY
The open-channel non-controlled flow-type spillway is
located over the right bank of the dam; it has a varying
width of 50 m of top at 30 m on the exit canal, a length of
264 m and ends in a deflector jet. It is designed to evacuate
a maximum water flow of 2.070 m3/s.
JAGUAS HYDROELECTRIC POWER PLANT
Cable and ventilation Well
Conduction Tunnel
Water Intake Structure
High voltage cables exit the Station
through a 170m-sloped well. For
airing the machine room and the
downstream Surge tank two vertical
130m & 126m-deep wells were
excavated.
The conduction tunnel is 1.831m
long. It is provided with a restricted
orifice-type Surge tank that is
150,24m deep, 120,3m of which
correspond to the upper tank.
A concrete structure that communicates
with the pressure tunnel through a
4,7m interior diameter and 50,77m
deep vertical well, of circular section
and concrete coated.
Floodgate Well
The well is 102,5m deep with an 8,3m
oval section on its largest dimension.
The well houses two flat floodgates,
one main, and the other ancillary with
its lifting equipment and hydraulic
system.
Powerhouse
The power plantl’s main equipments
are housed in a 16,5m wide, 28,4m
high and 65,3m cavern with a two-way
vehicular tunnel access with variable
slope, being the maximum inclination
10%, and a total length of 775,35m.
Discharge Tunnel
The discharge tunnel is is approximately
1.757 m long.
In order to control the terrain erosion,
four dissipation structures were built with
a 3,8km long section, downstream from
the Power plant discharge
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Pressure Well
Vertical concrete coated-well, 156m
deep and 4,3m of diameter.
Downstream Surge tank
Pressure Tunnel
Separated 25m from the main cavern,
it is located downstream where the
turbine drafts tubes discharge. The
Surge tank cavern dimensions are
40m long, 13m wide and 35,1m
high.
The pressure tunnel is constituted by
reinforced concrete coated-tunnel,
43m long and 4,3m of diameter and an
linned tunnel.
The linned tunnel is 70,5m long, at
the end of which bifurcates into two
penstocks of 28 & 32 m each that feed
the two-generation units.
ISAGEN S.A. E.S.P. POWER PLANTS
CALDERAS HYDROELECTRIC POWER PLANT
The Calderas Hydroelectric power plant is located in the
Department of Antioquia, between 1.000 m and 2.200
m above sea level, close to the highway that connects
Medellín with the municipalities of Santuario, Granada and
San Carlos; approximately at 100 km from Medellín.
The closest town to the power plant is the municipality
of San Carlos, located 7 km from the powerhouse and
17 km from the dam. The powerhouse is located on the
Arenosa Creek basin, effluent of the San Carlos River and
the reservoir, on the high basin of the Calderas River.
The power plant uses waters from the Tafetanes River
and deviates them through a tunnel to the Los Medios
Creek, effluent of the Calderas River. The flows of the
Tafetanes and Calderas rivers, which average 6,7 m3/s,
are turbinated in the power plant, to generate 87 GWh per
year, discharging on the Arenosa Creek, until reaching the
San Carlos River and the Punchiná reservoir, in order to
increase energy production of the San Carlos power plant
by 269 GWh/year.
The Tafetanes River deviation is carried out through the
following works:
A small concrete gravity dam with an approximate volume
of 4.600 m3, including a central non-controlled spillway of
25 m of length.
A water intake structure, with frontal approximation or
conduction communicated by a pressure tunnel through
a vertical well of 2 m in diameter and 53 m of depth.
A pressure tunnel with a length of 1.230 m and a
horseshoe-shaped section of 4,6 m2 of transversal section,
coated concrete on those places where the geological
conditions required it.
A pressure pipe supported freely by seat-shaped hooks, of
240 m in length and 0,6 m in diameter, in the final section
of the tunnel.
A structure for the dissipation of the energy, controlled
by a Howell Bunger type valve, for discharging deviated
water into the Los Medios Creek.
CALDERAS DAM
The concrete gravity-type dam is located over the Calderas’s
river with 25 m of height and an volume of 25,000 m3,
forming a reservoir with a capacity of 300,000 m3. It includes
a central free discharge-type spillway of 60 m in width and
24 m in length, designed to evacuate a maximum probable
flow of 1,100 m3/s.
On the right margin of the dam, there is a structure for
bottom discharge, built over one of the branches of the
canal used for the deviation of the Calderas River, during
the dam construction. The bottom discharge structure is
controlled by a radial floodgate of 4,5 m x 4,0 m, activated
by servomotors and an oleo hydraulic unit that allows
sediment evacuation and the emptying of the reservoir.
Water capture is performed through a vertical intake
structure of 56 m in depth and 2,10 m in diameter; an
upper pressure tunnel of 2,730 m in length; a vertical
pressure well of 80m of height and 2,10 m in diameter; a
lower pressure tunnel of 529 m in length, 424 m of which
are linned with steel pipes. Downstream from the armored
tunnel portal, conduction continues with an exposed pipe
of 13 m in length, which forks in two branches that connect
with the spherical valves.
MAIN GENERATION
EQUIPMENT
Two vertical axis-Pelton turbines, 6 jets, 240 rpm, 152,5 of
net head and 13.2 MW each.
Two three-phase synchronous generators, vertical axis,
power factor 0,95, nominal voltage of 13,8 kV and 13,2 MVA
each, including excitation equipment and a digital voltage
regulator.
A main three-phase power transformer, with 20/26
MVA capacity and a voltage ratio of 13,8/115 kV.
Distributed digital system for the supervision and
control of the power plant.
CALDERAS HYDROELECTRIC POWER PLANT
Digital system for electric protection and fire detection
and control systems.
Ancillary services system.
CONNECTION OF THE POWERPLANT
TO THE NATIONAL GRID
Calderas Power Plant is integrated to the National
Interconnected System through a 115 kV substation,
conventional and outdoor type, in simple busbar
configuration, that has a connection with the substations
of Guatape and Rio Claro.
RETROFIT PROJECT
The Calderas Power Plant was built between 1982 and
1986. In October 1987, the deviation of the Tafetanes
River was completed and it began operating in
ISAGEN S.A. E.S.P. POWER PLANTS
February of 1988. Years later, due to natural causes and
vandalism issues the power plant was shut down. In
February of 2005, ISAGEN initiated works for recovering
the power plant. The first stage consisted of divert the
waters of the Calderas River to the Punchiná reservoir
to increase energy production in the San Carlos power
plant, which was accomplished in the record-time of
a month and a half.
Infrastructure and civil works adaptation, recovery and
total maintenance of electro-mechanical equipment,
as well as design, provision and set up of control
equipment, protections, communications and auxiliary
services were performed in a second stage, which
was completed on June 30 of 2006 thus enabling
the beginning of operations. Additional works were
completed, including recovery of the 115 kV substation,
the 13,2 kV Calderas-Tafetanes distribution line, and
remote control and supervision of the power plant.
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MIEL I HYDROELECTRIC POWER PLANT
The Miel I Hydroelectric Power Plant is located in the
municipality of Norcasia, forms part of the hydric potential
of the eastern Caldas Department; a region made up by the
basins of the Guarinó, La Miel, Moro, Manso and Samaná
Rivers, as well as other small effluents of the Pensilvania
and Tenerife rivers.
The power plant has an installed capacity of 396 MW in three
units, which can generate a firm energy of 1.135 GWh/year
and an average of 1.460 GWh/year, with the natural flows
of the river. It began commercial operation on December 1,
2002.
PATÁNGORAS DAM
The Patángoras dam with its 188 m of height becomes the
second highest dam in the world, built of Roller Compacted
Concrete -RCC-. It is a gravity incorporated spillway-type
dam. It is located on the La Miel River, downstream from
the Moro River outlet. The dam forms part of the Amaní
reservoir of 1.220 hectare with a volume of 571 Mm3, 425.3
Mm3 of which are useful volume.
The dam has a length of 340 m, and the maximum normal
level of the reservoir is located at the 445.5 m.a.s.l. The
dam has a concrete volume of 1.73 Mm3.
ISAGEN S.A. E.S.P. POWER PLANTS
DEVIATION AND BOTTOM
DISCHARGE STRUCTURE
For the construction of the dam, the river was deviated
through a tunnel located at the right bank of the river, of
550 m of length and a rectangular section with a circular
dome of 10.8 x 10.8 m, uncoated, which was sealed off
upon completion of the dam construction.
The bottom discharge has a intake structure and a well that
feeds two parallel tunnels. The tunnel flow is controlled
with butterfly and Howell-Bunger valves. Its discharge
capacity is up to 250 m3/s and will allow the ecological
flow, as required.
INTAKE AND LOAD TUNNEL
The intake and load tunnels are located on the right margin
of the river. Control of the load tunnel is accomplished
through two floodgates or hatches installed in the floodgate well, located 68 m from the entrance. The floodgates
are operated through servomotors located on the upper
part of the well.
After the intake, the upper load tunnel is located, which is
90 m long, reinforced concrete-coated, and with 6,55 m
of diameter. Following, there is a vertical elbow-shaped
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MIEL I HYDROELECTRIC POWER PLANT
joint, coated in reinforced concrete that connects with the
vertical load tunnel, 119,20 m deep.
DISCHARGE TUNNEL
The lower tunnel, of 58 m of length, includes a reinforced
concrete coated-and- steel armored section of 45 m in length.
From this point, two metallic bifurcations are connected with
the three armored tunnels with a 3.35 m diameter, which
conduct pressured water to the power house.
The discharge tunnel is located on the left margin of the
La Miel River and reverts the waters into the same river.
The 9,0 m by 9,05 m section-discharge tunnel begins as
a continuation of the oscillation cavern and has a total
length of 4,1 km, with a concrete soleplate and coating in
pneumatic concrete.
UNDERGROUND POWER PLANT
On the exit, it has a reinforced concrete structure with
guides for metallic planks
The underground power plant is located on the right
margin of the La Miel River composed of three caverns,
from upstream to downstream: power transformer cavern,
generator cavern and oscillation cavern.
Generator Cavern
The main cavern has 19,3 m of width, 86,5 m of length
and 38,8 m of height, and it accommodates three
Francis turbines with their respective generators and
auxiliary equipment.
Power Transformer Cavern
It accommodates three 150 MVA power transformers
XLPE poer cables at 230 kV go to the otdoor through a
gallery and a well, to the cable portico on the hillside.
From these porticos two transmission lines come out,
to the 230 kV Miel I substation
Oscillation Cavern
Is located downstream from the generator cavern and
serves for collecting the turbine’s discharge and for
softening the pressure transients caused by the normal
operation of the machines. The cavern has 52 m in length,
15 m of width and 44,5 m of height.
MAIN EQUIPMENT
The power plant had three generating units powered
by vertical axis Francis-type turbines, which operate
at 300 r.p.m., and have 132 MW of nominal power
each.
The three synchronous vertical shafts power generators,
24 poles and 13,8 kV, air cooling systems, static
excitation with control systems, protections and
instrumentation that incorporate the latest technology
and that make them compatible with the digital system
control of the power plant.
To raise the voltage from 13,8 kV to 230 kV for the
transmission of energy generated, three-phase
transformers of 150 MVA are used, including a spare
unit.
CONNECTION OF THE POWERPLANT
TO THE NATIONAL GRID
Energy is transmitted to the Miel I substation through type
XLPE isolated power cables and aerial lines. This substation
is the conventional type, at 230 kV.
MIEL I HYDROELECTRIC POWER PLANT
ISAGEN S.A. E.S.P. POWER PLANTS
17
THERMAL
GENERATION
TERMOCENTRO - COMBINED CYCLE
The Termocentro power plant is located in the mid valley
of the Magdalena River, in the rural area of Puerto Olaya,
municipality of Cimitarra (Santander) and at a distance
of approximately 5 km from Puerto Berrio (Antioquia). It
has an installed capacity of 300 MW, composed of two
gas turbines units of 100 MW each, and a steam turbine
unit of 100 MW. It started the simple cycle configuration
operation on February of 1997.
It is equidistant from the main consumption centers of
the country thus facilitating their connection.
The plant conversion from Simple Cycle to Combined
Cycle allows taking advantage, through a steam cycle, of
the hot exhost gases emitted to the atmosphere which
then increases the plant efficiency by 50% because it
does not require additional fuel to generate additional
100 MW. This conversion demanded an investment of
US$ 82,7 million and began commercial operation on
November 30, 2000.
Low flood risk: flat area located over the hills above the
maximum flood level of the Magdalena river plains,
between 110 and 135 m above sea level.
THE REGION
Because of its location, Termocentro has a strategic value
inside the interconnected system. Its location offers,
among others, the following advantages:
Land communication with Bogota and Medellín, and
fluvial communication with the Barranquilla port
through the Magdalena River.
Proximity to important populations: Barrancabermeja,
Puerto Berrio and Cimitarra, which guarantees the basic
services delivery.
Proximity to the main natural gas pipe line and 230 kV
Primavera substation, where it connects to the National
grid.
MAIN EQUIPMENT
Gas Turbines using as main fuel natural gas, with an
approximate consumption of 50 million cubic feet
per day and Jet A1 as emergency fuel from a storing
tank of 1.050.000 gallons, with a two day operation
autonomy.
The steam turbine of 100 MW is of condensation
type (354,72 t/h, 87,8 kg/cm2, 5I0 °C), two pressures
without reheat, coupled to a surface condenser with
vacuum pressure of 83,8 mm Hg. The power generator
is 130 MVA, 13,8 kV and fp. 0,8.
Two heat recovery steam generators have been installed
to the gas turbines. These natural circulation type-boilers
have tow pressures (91,5/12,7 bar) without reheat and
provided with a by-pass chimney and hot gas diverter
damper to allow independent operation of the Simple
Cycle and Combined Cycle.
The Cooling system is the closed type, includes a
counter-flow-type wet cooling tower, with induced
draw assisted by fan, with a 17,466 m3/h water flow.
Temperature decrease of 9,8°C and it has a loss recovery
through a deep well water extraction system with a
capacity of 180 I/s.
The plant has the following ancillary systems for a reliable
and safe operation:
Station for filtration, measuring, heating and natural
gas regulation, City Gate, with 100% redundancy.
Natural gas compression station with 100% redundancy.
Fire protection system, with a 800 m3 tank.
Control, instrumentation and telecomunication systems.
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ISAGEN S.A. E.S.P. POWER PLANTS
TERMOCENTRO - COMBINED CYCLE
Electrical Auxiliary services at 4.160/480/208 Volts.
Air conditioning and ventilation systems.
Compressed air system for instruments and service.
System of chemicals injection to steam cycle and
cooling water.
Well water supply system.
Water de-mineralizing system with 100% redundancy.
Water treatment and effluent management systems.
Supervision system from the National Dispatch
Center.
Configuration Total installed capacity Average Energy Net Heat Rate 2 Ct´s and 1 ST
300 MW 2.223 GWh/year 7.0872 BTU/kWh CONNECTION OF THE POWERPLANT
TO THE NATIONAL GRID
Connection to the National Transmission System is
performed through a 230 kV transmission line, 8 km
length, to 230 kV Primavera Substation.
CLEAN TECHNOLOGY
It is important to highlight that energy produced with
a combined cycle power plant is denominated as clean
energy for the following reasons:
Utilization of very clean fuel such as natural gas.
An increase in plant efficiency and fuel savings, thanks
to the use of hot gases to generate additional power in
the steam cycle.
Decrease in exhost gas temperature into the atmosphere
due to integration of the heat recovery boilers to the
steam cycle.
Minimal emission of contaminating gases into the
atmosphere, by utilization of dry low NOx burners.
Efficient use of the water by using a closed cooling system
with a cooling tower, avoiding discharge of hot waters into
the Magdalena River.
ISAGEN S.A. E.S.P. POWER PLANTS
21
SOCIAL
AND ENVIRONMENTAL
RESPONSIBILITY
ISAGEN understands the environmental integral
management as that directed to maintain the
environmental sustainability with the biotic, physical
and social environment in which their entrepreneurial
activities take place. For this reason, the Company,
in all of their areas of influence, complies with the
Environmental Corporate Policy. This Policy is the
cornerstone for conducting an integral management
according to their values of Social and Environmental
Responsibility understood as the recognition of the
responsibility and duties we have as individuals
(citizens) and as a Corporation in the development of
the country and the construction of an equitable and
just society.
Through the Environmental Management Plans, ISAGEN
identifies, evaluates, prevents, minimizes, corrects,
mitigates or compensates the negative environmental
effects and increases the positive effects derived from the
construction and operation of their productive centers.
Furthermore, the Company identifies and informs the
respective authorities of the impacts generated from the
environment towards the company.
Nevertheless, ISAGEN’s environmental management
goes beyond abiding the law. The Company also
develops a Biophysical Investment Program and a
Social Investment Program, which in addition to provide
financial resources, shape communities that are more
involved and self motivated, thus contributing to the
construction of the future and the environmental
sustainability. The Junior Chamber of Colombia
recognized ISAGEN’s performance in 2003 with the
award in the Public Sector Category as the Company with
the Best Social Projection in the country and in the same
year, the Punchiná and San Lorenzo reservoirs were
recognized by the Alexander Von Humboldt Institute as
Important Areas for the Conservation of Birds - AICA.
It is noteworthy that ISAGEN has an Environmental
Management System for the San Carlos, Jaguas
Miel I and Termocentro power plants and, certified by
ICONTEC, under the ISO 14001 norm 2004 version,
that guarantees the organization, evaluation and the
continuous improvement of the processes and activities
related to the environment.
In such a way, ISAGEN performs in the national
energy industry as a company with integral processes,
determined to provide an appropriate commercial answer
to their clients with firm, opportune and quality energy,
all with social and environmental responsibility.
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