Wiktor Wise
Colombia's electricity sector has a unique feature: a system of cross-subsidies where those in affluent areas or with higher electricity consumption subsidise those in poorer areas or with lower electricity consumption. The country has 66 registered electricity producers, with a mix of public and private companies. The electricity supply relies on the National Interconnected System (SIN) and several isolated local systems in the Non-Interconnected Zones (ZNI). SIN covers one-third of the territory and 96% of the population, while ZNI covers the remaining two-thirds and only serves 4%. Colombia's energy matrix is clean, with hydro accounting for 68%, gas and coal-fired power plants at 31%wind and solar making up the remaining 1%. The country has significant wind and solar resources that remain untapped, and the government is working to develop new power generation projects to meet growing demands through 2031.
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What You'll Learn
- Colombia's electricity sector is divided into generation, transmission, distribution, and commercialisation
- The country has 66 registered electricity producers
- The National Interconnected System (SIN) provides electricity to 96% of the population
- Colombia's electricity supply is clean but heavily relies on hydropower
- The standard voltage in Colombia is 110V
Colombia's electricity sector is divided into generation, transmission, distribution, and commercialisation
Colombia's electricity sector has been divided into four components: generation, transmission, distribution, and commercialisation, since sector reforms in 1994. The country has 66 registered electricity producers, with private companies owning 60% of the installed generation capacity. However, private participation in electricity distribution is much lower. The electricity supply in Colombia relies on two systems: the National Interconnected System (SIN) and isolated local systems in the Non-Interconnected Zones (ZNI). SIN covers one-third of the country's territory and provides electricity to 96% of the population. On the other hand, ZNI covers the remaining two-thirds of the territory but only serves 4% of the population.
The transmission of electricity in the National Interconnected System is handled by seven public companies, with four specialising solely in transmission: ISA, EEB, TRANSELCA, and DISTASA. The remaining three, EEPPM, ESSA, and EPSA, are integrated companies that manage all aspects of the electricity chain, including generation, transmission, and distribution. ISA, a public company, has historically played a crucial role in exchanging electricity between different regional systems.
Colombia's installed electric power generation capacity stands at 17,771 MW, with hydro accounting for 68%, gas and coal-fired power plants contributing 31%, and wind and solar sources making up the remaining 1%. The country has a significant opportunity to harness wind and solar energy, with the World Bank's Energy Sector Management Assistance Program (ESMAP) suggesting that wind power alone could surpass Colombia's current total energy needs.
In recent years, there has been a growing trend of Distributed Generation projects in Colombia, with over 1,000 initiatives in the private sector exploring solar photovoltaic solutions for self-generated energy. The government is also actively developing new power generation projects to address the rising demand through 2031, making the outlook for the Colombian electricity sector positive.
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The country has 66 registered electricity producers
Transmission in the National Interconnected System (SIN) is managed by seven public companies, with four of these dedicated solely to transmission: ISA, EEB, TRANSELCA, and DISTASA. The remaining three, EEPPM, ESSA, and EPSA, are integrated companies that manage all activities in the electricity chain, including generation, transmission, and distribution.
Colombia's installed electric power generation capacity stands at 17,771 MW, with hydro accounting for 68%, gas and coal-fired power plants at 31%, and the remaining 1% from wind and solar units. The country has significant small hydro, wind, and solar resources that remain untapped.
The electricity sector in Colombia has been structured into generation, transmission, distribution, and commercialization since sector reforms in 1994. About half of the generation capacity is privately owned, while private participation in electricity distribution is much lower.
Colombia's electricity coverage is 93% in urban areas but only 55% in rural areas, with around 2.3 million people lacking access to electricity. The country is also working on projects to interconnect its electricity system with neighbouring countries, such as the Puebla Panama Plan with Panama.
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The National Interconnected System (SIN) provides electricity to 96% of the population
The National Interconnected System (SIN) is a key component of Colombia's electricity sector, providing coverage to 96% of the population. SIN covers around one-third of the country's territory. The remaining two-thirds fall under the Non-Interconnected Zones (ZNI), which only serve 4% of the population.
Colombia's electricity sector has been structured into generation, transmission, distribution, and commercialization since sector reforms in 1994. The generation capacity is roughly half privately owned, with the rest under public ownership. Notably, just three companies—Empresas Públicas de Medellín (EPM), ISAGEN, and EMGESA—control 52% of the total generation capacity.
Transmission within the SIN is handled by seven public companies, with four specializing solely in transmission: ISA, EEB, TRANSELCA, and DISTASA. The remaining three—EEPPM, ESSA, and EPSA—are integrated companies that manage all aspects of the electricity chain, including generation, transmission, and distribution.
The electricity sector in Colombia has unique characteristics, such as a system of cross-subsidies. Users in areas considered relatively affluent or with higher electricity consumption subsidize those in areas deemed less affluent or with lower electricity usage.
In terms of energy sources, Colombia's installed electric power generation capacity stands at 17,771 MW, with hydro accounting for 68%, gas and coal-fired power plants contributing 31%, and wind and solar making up the remaining 1%. The country has been exploring renewable energy options, with a focus on wind and solar projects.
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Colombia's electricity supply is clean but heavily relies on hydropower
Colombia's electricity supply is clean but heavily reliant on hydropower. The country has 66 registered electricity producers, with private companies owning 60% of the installed generation capacity. Colombia's installed electric power generation capacity is 17,771 MW, with hydro accounting for 68%, gas and coal-fired power plants making up 31%, and wind and solar contributing the remaining 1%. The country's energy matrix is clean, but the heavy dependence on hydropower makes it vulnerable to climatic conditions.
The first steps towards establishing an electric supply in Colombia were taken in 1928, when Law 113 declared the exploitation of hydroelectric power to be in the public interest. A centralized system was implemented, with vertically integrated state companies maintaining a monopoly in their respective regions. A public company, ISA, facilitated the exchange of electricity between different regional systems.
Colombia's electricity sector underwent reforms in 1994, leading to the unbundling of generation, transmission, distribution, and commercialization. Currently, about half of the generation capacity is privately owned, while private participation in electricity distribution is much lower. The sector operates through the National Interconnected System (SIN), which covers one-third of the territory and serves 96% of the population. The remaining two-thirds of the land fall under the Non-Interconnected Zones (ZNI), serving only 4% of the population.
While Colombia's energy matrix is clean, the country recognizes the need to diversify its energy sources. In 2021, the Ministry of Mines and Energy unveiled its Hydrogen Roadmap, aiming for 1-3GW of electrolysis capacity and 50 kilotonnes of blue hydrogen production by 2030. Additionally, Colombia has published a roadmap for offshore wind development, with a long-term goal of 3GW capacity by 2040. These initiatives demonstrate Colombia's commitment to transitioning away from hydropower and fossil fuels towards a more sustainable and resilient energy future.
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The standard voltage in Colombia is 110V
In Colombia, the plugs and sockets are of type A and B, the same as in the United States, Canada, Ecuador, Costa Rica, and other Latin American countries. Type A plugs have two flat parallel pins, while type B plugs have two flat parallel pins and a grounding pin.
It is important to note that the voltage in Colombia can vary according to geographic location and consumption needs. For example, the voltage requirements for an air conditioner will differ depending on the temperature of the city.
To ensure the voltage in a house in Colombia is 110V, it is recommended to consult a qualified electrician or use a digital multimeter to measure the voltage at the outlets. Single-phase current, the most common in homes, generally has a voltage of 110V, while two-phase current, found in some older homes, can vary from 110V to 220V.
Colombia's electricity sector has a generation capacity of 17,771 MW, with hydro accounting for 68%, gas and coal-fired power plants contributing 31%, and wind and solar making up the remaining 1%. The country has significant wind, solar, and small hydro resources that remain largely untapped. The government is working on several new power generation projects to meet growing demands, and the outlook for the Colombian electricity sector is promising.
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Frequently asked questions
The electricity sector in Colombia has been unbundled into generation, transmission, distribution, and commercialization since sector reforms in 1994. The country has 66 registered electricity producers, with about half the generation capacity being privately owned. The National Interconnected System (SIN) provides electricity to 96% of the population, while the remaining 4% are served by isolated local systems in the Non-Interconnected Zones (ZNI). Colombia has an installed electric power generation capacity of 17,771 MW, with hydro accounting for 68%, gas and coal-fired power plants at 31%, and the rest from wind and solar.
The standard voltage in Colombia is 110V at a frequency of 60Hz. However, there may be variations depending on geographic location and consumption needs, with some areas having voltages of 120V or 220V-240V.
Colombia uses power plugs and sockets of type A and B, which are also common in other countries in North and South America, including the United States, Canada, Ecuador, and Costa Rica.
