
The Cayman Islands has a reliable electricity supply network that provides electricity to residents and businesses across its three islands. The electricity supply in the Cayman Islands is managed by the Caribbean Utilities Company (CUC), which has been providing electricity to the islands since the 1960s. CUC operates two power plants on Grand Cayman, one on Cayman Brac, and a small generating facility on Little Cayman. The standard voltage in the Cayman Islands is 120V, and the electrical frequency is 60Hz. The government of the Cayman Islands is looking into alternative energy sources as part of a comprehensive Energy Policy, with solar, wind, and water energy sources being considered.
| Characteristics | Values |
|---|---|
| Electricity Provider | Caribbean Utilities Company (CUC) |
| Electricity Provider's Website | CUC's website |
| Electricity Provider's Phone Support | Dedicated phone support line for reporting emergencies and outages |
| Power Plants | Two power plants on Grand Cayman, one on Cayman Brac, and a small generating facility on Little Cayman |
| Power Grid | Reliable, on par with other highly advanced nations |
| Power Outages | Uncommon, usually due to equipment failures or severe weather conditions |
| Average Power Outage per Customer | Less than 5 per year in 2020 |
| Average Power Outage Duration | Less than 2 hours |
| Power Generation | Diesel generators, solar power |
| Energy Policy | Focus on renewable energy sources and environmental conservation efforts |
| Electricity Cost | Expensive due to high-energy requirements for air conditioning |
| Electricity Billing Rates | Available on CUC's website |
| Electricity Consumption | 650,000 MWh as of 2016 |
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What You'll Learn

The standard voltage in the Cayman Islands is 120V
The Cayman Islands, a British Overseas Territory in the western Caribbean Sea, has a generally reliable electricity supply network. The territory's electricity supply is managed by the Caribbean Utilities Company (CUC), which has been providing electricity to the islands since the 1960s. The standard voltage in the Cayman Islands is 120V, and the electrical frequency is 60Hz. This is the same voltage and frequency used in the United States. Therefore, if you are travelling to the Cayman Islands from the US, you won't need to worry about voltage converters or adapters for your electronic devices. Your devices should work without any issues if they are designed for this voltage range.
The CUC operates two power plants on Grand Cayman, one on Cayman Brac, and a small generating facility on Little Cayman. The company uses diesel generators to fuel the power grid in densely populated and developed areas, particularly in Grand Cayman. Overall, the CUC has a strong track record of providing reliable electricity to its customers. According to the company's annual reports, the average number of power outages per customer has decreased over the past decade, and the average power outage duration has also shortened.
While power outages and voltage fluctuations are uncommon in the Cayman Islands, they do occur due to equipment failures or severe weather conditions such as hurricanes or tropical storms. The government of the Cayman Islands is committed to enhancing its energy infrastructure and has introduced policies promoting sustainable energy solutions. Renewable energy sources such as solar, wind, and water energy are being considered to secure the reliable nature of the power grid with more forward-thinking fuel sources.
Island Energy has been the dedicated electricity provider for the Sister Islands (Cayman Brac and Little Cayman) for 64 years. They offer two rate options: a commercial rate for customers who consume more than 8,000 kWh per month and a residential rate. The cost of electricity is the same across the Cayman Islands and does not fluctuate depending on the time of day.
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The electricity supply network is reliable and well-maintained
The electricity supply network in the Cayman Islands is reliable and well-maintained. The Caribbean Utilities Company (CUC) has been providing electricity to the Cayman Islands since the 1960s. The company operates two power plants on Grand Cayman, one on Cayman Brac, and a small generating facility on Little Cayman. The standard voltage in the Cayman Islands is 120V, and the electrical frequency is 60Hz, which is the same as in the United States. This means that if you are from the US, Canada, or most South American countries, you can use your electric appliances in the Cayman Islands without any issues.
The CUC regularly invests in infrastructure upgrades and maintenance to ensure the stability of the power grid. The company has a strong track record of providing reliable electricity to its customers, with the average number of power outages per customer steadily decreasing over the past decade. In addition, the government of the Cayman Islands is committed to exploring alternative energy sources and environmental conservation efforts as part of its comprehensive Energy Policy. They are considering solar, wind, and even water energy sources to provide power for its populace in the future.
The cost of electricity is the same across all three islands and does not fluctuate depending on the time of day. There are two rate options: a commercial rate for customers who consume more than 8,000 kWh/month and a residential rate. CUC also offers a dedicated phone support line for reporting emergencies and outages, so customers can expect swift assistance in the event of a power outage.
Overall, the electricity supply network in the Cayman Islands is reliable and well-maintained, with a low number of power outages and voltage fluctuations. The CUC's investments in infrastructure upgrades and alternative energy sources contribute to the stability and reliability of the power grid.
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The Cayman Islands' power grid is on par with highly advanced nations
The Cayman Islands has a reliable electricity supply network, providing electricity to residents and businesses across the three islands of Grand Cayman, Cayman Brac, and Little Cayman. The electricity supply in the Cayman Islands is managed by the Caribbean Utilities Company (CUC), which has been providing electricity to the islands since the 1960s. CUC operates two power plants on Grand Cayman, one on Cayman Brac, and a small generating facility on Little Cayman. The standard voltage in the Cayman Islands is 120V, and the electrical frequency is 60Hz—the same as in the United States. This means that if you are travelling to the Cayman Islands from the US, Canada, or most South American countries, you can use your electric appliances without any issues.
The Cayman Islands' power grid is on par with those of other highly advanced nations, offering a reliable source of power. Power outages and voltage fluctuations are uncommon, although they may occur due to equipment failures or severe weather conditions such as hurricanes or tropical storms. The CUC has a strong track record of providing reliable electricity, with the average number of power outages per customer steadily decreasing over the past decade. The company regularly invests in infrastructure upgrades and maintenance to ensure the stability of the power grid.
The government of the Cayman Islands is committed to enhancing its energy infrastructure and has introduced policies promoting sustainable energy solutions. Renewable energy sources and environmental conservation efforts are a key focus, with solar, wind, and even water energy sources being considered for the future. The CUC has also invested in new power generation technologies, including solar power, to supplement its existing power plants.
Overall, the Cayman Islands' power grid is highly reliable and comparable to those of advanced nations. The CUC's dedication to maintaining and improving the grid, along with the government's focus on sustainable energy solutions, ensures a consistent and forward-thinking approach to the islands' energy infrastructure.
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The government is looking into alternative energy sources
The Cayman Islands has a generally reliable electricity supply network, providing power to residents and businesses across its three islands of Grand Cayman, Cayman Brac, and Little Cayman. The electricity supply is managed by the Caribbean Utilities Company (CUC), which has been providing electricity to the islands since the 1960s.
However, the government is looking into alternative energy sources as part of its comprehensive Energy Policy. This move towards renewable energy sources is driven by a desire to reduce the country's environmental impact and secure the reliability of its power grid in the long term.
Currently, the CUC operates two power plants on Grand Cayman, one on Cayman Brac, and a small generating facility on Little Cayman. The company uses diesel generators to fuel the power grid, particularly in densely populated and developed areas like Grand Cayman. While power outages and voltage fluctuations are uncommon, they typically occur due to equipment failures or severe weather conditions such as hurricanes and tropical storms.
To enhance the reliability of its power grid and reduce its environmental footprint, the Cayman Islands government is considering solar, wind, and even water energy sources. This shift towards renewable energy sources is also reflected in the increasing adoption of solar panels and propane gas by residents to offset the high cost of electricity in the Cayman Islands.
The CUC has also invested in new power generation technologies, including solar power, to supplement its existing power plants. These investments demonstrate the government's commitment to exploring alternative energy sources and improving the sustainability of its energy infrastructure.
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The cost of electricity is the same across all three islands
The Cayman Islands, a British Overseas Territory in the western Caribbean Sea, has a generally reliable electricity supply network. The electricity supply is managed by the Caribbean Utilities Company (CUC), which has been providing electricity to the islands since the 1960s. CUC operates two power plants on Grand Cayman, one on Cayman Brac, and a small generating facility on Little Cayman. The standard voltage in the Cayman Islands is 120V, and the electrical frequency is 60Hz, which is the same as in the United States. This means that if you are travelling to the Cayman Islands from the US, Canada, or most South American countries, you can use your electric appliances without any issues.
The Cayman Islands government is committed to exploring alternative energy sources as part of its comprehensive Energy Policy. Renewable energy sources and environmental conservation efforts are a key focus, with solar, wind, and even water energy sources being considered for the future. The goal is to enhance the island's energy infrastructure while continuing its tradition of being a global innovator within the Caribbean.
Island Energy has been the dedicated electricity provider for the Sister Islands, Cayman Brac and Little Cayman, for 64 years. They offer two rate options: a commercial rate for customers who consume more than 8,000 kWh per month and a residential rate. The CUC also has a regulatory and licensing fee of CI$0.0155 per kWh for usage over 1,000 kWh per month. After factoring in surcharges for fuel costs, fuel duty, and renewable energy purchases, the effective residential rate in June 2024 was approximately CI$0.3170 per kWh.
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Frequently asked questions
Yes, there is electricity in the Cayman Islands.
The electricity supply in the Cayman Islands is managed by the Caribbean Utilities Company (CUC).
The standard voltage in the Cayman Islands is 120V, and the electrical frequency is 60Hz.
The electricity supply network in the Cayman Islands is generally reliable and well-maintained. Power outages and voltage fluctuations are uncommon but can occur due to equipment failures or severe weather conditions.
Yes, the Cayman Islands government is considering renewable energy sources such as solar, wind, and water energy as part of its comprehensive Energy Policy.











































