Molly Ayala
St. Thomas is one of the U.S. Virgin Islands, which became a U.S. territory in 1917 and is located in the Caribbean Sea. The Virgin Islands have no fossil energy reserves, and import petroleum products to meet their energy needs, including electricity generation. The U.S. Virgin Islands have been increasing their use of renewable energy sources, such as solar power, with the territory's largest solar facility coming online in 2024. Electricity is expensive in St. Thomas, and the Caribbean hurricane season, which runs from June to November, sometimes brings destructive storms that can damage electric distribution and transmission lines.
| Characteristics | Values |
|---|---|
| Location | St. Thomas is part of the U.S. Virgin Islands (USVI), which are located in the Caribbean Sea, about 1,100 miles southeast of Miami, Florida |
| Energy Sources | St. Thomas imports petroleum products to meet its energy needs, including electricity generation. The island also has some renewable resources, such as solar energy. |
| Electricity Generation | Generating units are managed by the independent governmental agency, WAPA. Sources include combustion and steam turbines powered by fuel oil or propane, as well as solar-powered facilities and rooftop solar panels. |
| Renewable Energy Targets | The USVI legislature approved a target for renewable energy sources to fuel 30% of WAPA's peak demand generating capacity by 2025 and 50% by 2044. |
| Solar Power Capacity | The USVI has three utility-scale solar farms with a combined capacity of about 23 megawatts. The territory's largest solar facility is the 13-megawatt Petronella solar farm on St. Croix, with the second-largest being the Donoe solar farm on St. Thomas. |
| Backup Capacity | An additional 53 megawatts of backup battery energy storage is connected to small-scale solar generating systems. |
| Electricity Rates | Electricity is expensive in St. Thomas. |
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What You'll Learn
St. Thomas Electricity: Power Outages
St. Thomas is part of the U.S. Virgin Islands (USVI), a U.S. territory in the Caribbean Sea. The USVI has no fossil energy reserves and relies on imported petroleum products to meet nearly all of its energy needs, including electricity generation. St. Thomas's electricity infrastructure was significantly damaged by the back-to-back Hurricanes Irma and Maria in 2017.
The USVI has some renewable energy resources, particularly solar energy. The territory has a growing number of customer-installed, small-scale solar power generating systems, such as rooftop solar panels. In addition, there are three utility-scale solar farms in the USVI, with a combined solar power generating capacity of about 23 megawatts. The second-largest utility-scale solar farm is located on St. Thomas.
The generating units in the USVI are managed by the Water and Power Authority (WAPA), an independent governmental agency. The generating capacity includes combustion and steam turbines powered by fuel oil or propane. More than half of the USVI's petroleum-fueled generating units are over 25 years old, and WAPA is working to replace them with more efficient and renewable energy sources.
The St. Thomas electric system supplies electricity to the nearby islands of St. John and Water Island through underwater cables. However, due to the seabed depth, it is challenging to establish an electrical connection between the St. Thomas and St. Croix systems, which are separated by 40 miles of ocean.
Power outages can occur in St. Thomas due to various factors, including weather events such as hurricanes and storms during the Caribbean hurricane season, which runs from June to November. During a power outage, residents may rely on portable power stations or backup battery energy storage systems to maintain electricity supply.
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St. Thomas Electricity: Rolling Blackouts
St. Thomas, part of the U.S. Virgin Islands, has no fossil energy reserves. Instead, it relies on renewable resources, particularly solar energy, and imports petroleum products to meet its energy needs, including electricity generation. The U.S. Virgin Islands (USVI) consist of four main islands: St. Croix, St. Thomas, St. John, and Water Island. St. Thomas's electricity system also supplies power to the nearby islands of St. John and Water Island through underwater cables.
The generating units in USVI are managed by the independent governmental agency WAPA, which includes combustion and steam turbines powered by fuel oil or propane. In addition, there are some solar-powered facilities owned by independent power producers, households, and businesses with customer-sited rooftop solar panels. The USVI has been focusing on increasing its renewable energy sources, with a target of 30% of WAPA's peak demand generating capacity by 2025 and 50% by 2044. As a result, the territory has been installing more small-scale solar power generating systems, and there are currently three utility-scale solar farms in operation.
However, the Caribbean hurricane season, which runs from June to November, sometimes brings destructive storms that can impact the electric distribution and transmission lines and power-generating facilities. In September 2017, for example, the USVI was struck by back-to-back Category 5 hurricanes, Irma and Maria, which caused significant damage to the electrical infrastructure.
Electricity in St. Thomas is known to be expensive, and most homes have cisterns, which landlords often charge tenants for using. Overall, the cost of living in St. Thomas is high, and it is recommended that individuals conduct thorough research before relocating to the island.
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St. Thomas Electricity: WAPA Crisis
St. Thomas is part of the U.S. Virgin Islands (USVI), a U.S. territory in the Caribbean Sea. The USVI has no fossil energy reserves, relying on imported petroleum products to meet nearly all of its energy needs, including electricity generation. St. Thomas's electricity is supplied by the Virgin Islands Water and Power Authority (WAPA), an independent governmental agency.
In recent years, WAPA has faced a number of challenges in providing a stable and affordable electricity supply to St. Thomas and the wider USVI. In September 2017, the USVI was struck by consecutive Category 5 hurricanes, Irma and Maria, which caused significant damage to the region's electric distribution and transmission lines and impacted several power-generating facilities. This natural disaster highlighted the vulnerability of the USVI's energy infrastructure and the need for more resilient and sustainable solutions.
The USVI has been taking steps towards increasing its renewable energy capacity, particularly in solar energy. The territory has set ambitious targets for renewable energy sources to fuel 30% of WAPA's peak demand generating capacity by 2025 and 50% by 2044. To achieve these goals, WAPA is replacing some of its older petroleum-fueled generators with smaller units that can better balance with renewable energy sources. The territory has also seen a rise in customer-installed, small-scale solar photovoltaic electricity-generating systems, such as rooftop solar panels, which offer additional generating capacity and energy storage solutions.
Despite these efforts, electricity prices in St. Thomas remain high. The transition to renewable energy sources is a long-term process, and the territory continues to face challenges in balancing its energy needs with the high cost of living. The push for renewable energy sources is driven in part by the goal of reducing the high cost of electricity in the region. Additionally, the separation of St. Thomas and St. Croix's electric systems by 40 miles of ocean makes it difficult to implement a territory-wide solution, requiring separate approaches for each island.
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St. Thomas Electricity: Hurricane Impacts
St. Thomas is part of the U.S. Virgin Islands (USVI), a U.S. territory in the Caribbean Sea. The USVI has no fossil energy reserves and relies on imported petroleum products to meet its energy needs, including electricity generation. St. Thomas's electricity infrastructure has been impacted by hurricanes, which are a frequent occurrence in the region during the Caribbean hurricane season from June to November.
On average, a hurricane passes near the USVI every three years, and one directly hits the islands about every eight years. In September 2017, the USVI was struck by consecutive Category 5 hurricanes, Irma and Maria, which caused significant damage to the region's electric distribution and transmission lines and impacted several power-generating facilities. These hurricanes highlighted the vulnerability of the electricity infrastructure in St. Thomas and the USVI to extreme weather events.
The St. Thomas electric system supplies electricity to the nearby islands of St. John and Water Island via underwater cables. The separation between the St. Thomas and St. Croix systems, due to the 40-mile distance between them, makes electrical connection challenging. St. Thomas has a combination of combustion and steam turbines powered by fuel oil or propane, as well as some solar-powered facilities.
While St. Thomas has been incorporating more renewable energy sources, such as solar power, into its energy mix, the territory still heavily relies on petroleum-fueled generating units. Many of these units are over 25 years old, and the Water and Power Authority (WAPA) is working to replace them with more efficient and renewable energy sources. However, the transition to renewable energy sources in St. Thomas and the USVI is a gradual process due to the challenges of their geographical location and the need to balance energy demands with limited resources.
The impact of hurricanes on St. Thomas's electricity infrastructure has led to efforts to increase the resilience of the power grid. This includes the integration of small-scale solar photovoltaic electricity-generating systems and the development of utility-scale solar farms. As of 2022, the high cost of living in St. Thomas, including electricity expenses, was a notable aspect of life on the island.
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St. Thomas Electricity: Voltage and Plugs
St. Thomas is part of the U.S. Virgin Islands, which has no fossil energy reserves and, therefore, relies on importing petroleum products to meet its energy needs, including electricity generation. The U.S. Virgin Islands consist of four main islands: St. Thomas, St. Croix, St. John, and Water Island. St. Thomas's electric system supplies power not only to its residents and businesses but also to the nearby islands of St. John and Water Island via underwater cables.
The generating units in St. Thomas are managed by the independent governmental agency WAPA (Virgin Islands Water and Power Authority). The generating capacity includes combustion and steam turbines fuelled by fuel oil or propane. However, St. Thomas is also embracing renewable energy sources, with some solar-powered facilities owned by independent power producers, as well as households and businesses with rooftop solar panels. The USVI legislature approved a renewables portfolio target for WAPA, aiming for 30% of peak demand generating capacity to come from renewable sources by 2025 and 50% by 2044.
St. Thomas has the second-largest utility-scale solar farm in the USVI, the Donoe solar farm. In addition, small-scale solar photovoltaic electricity-generating systems, such as rooftop panels, total about 31 megawatts in the territory. There is also an additional 53 megawatts of generating capacity from backup battery energy storage connected to these small-scale solar systems.
While there is a push towards renewable energy, more than half of the USVI's petroleum-fueled generating units are over 25 years old. WAPA is addressing this by replacing some older generators with smaller, more efficient units to better balance with renewable energy sources. However, the seabed depth between St. Thomas and St. Croix makes any potential electrical connection between the two systems difficult.
Electricity in St. Thomas is known to be expensive, and power outages can occur. The Caribbean hurricane season, from June to November, sometimes brings destructive storms, with hurricanes impacting the electric distribution and transmission lines, as well as power-generating facilities.
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Frequently asked questions
Electricity is expensive in St. Thomas.
Electricity in St. Thomas is generated by combustion and steam turbines powered by fuel oil or propane. There are also some solar-powered facilities owned by independent power producers, as well as households and businesses with customer-sited rooftop solar panels.
The St. Thomas electric system also supplies electricity to nearby St. John Island and Water Island. The St. Croix system, on the other hand, is separated from the St. Thomas system by 40 miles of ocean and only provides power to its own residents and businesses.
The US Virgin Islands, which includes St. Thomas, has no fossil energy reserves and relies on importing petroleum products to meet its energy needs. More than half of the USVI's petroleum-fueled generating units are over 25 years old. In September 2017, the USVI was struck by back-to-back Category 5 hurricanes, Irma and Maria, which significantly damaged most of the electric distribution and transmission lines and impacted several power-generating facilities.
