World Power PlantsWorld Power Plants

Kashiwazaki-Kariwa Nuclear Power Plant7,965 MW Nuclear

Nuclear

Kashiwazaki-Kariwa Nuclear Power Plant, known locally as 柏崎刈羽原子力発電所, is located in Japan with coordinates 37.4309, 138.5992. This facility is one of the largest nuclear power plants globally, boasting a capacity of 7,965 MW. Commissioned in 1980 and operated by 東京電力ホールディングス株式会社 (Tokyo Electric Power Company Holdings), it plays a crucial role in Japan's energy generation landscape, particularly as the country seeks to balance energy security with environmental sustainability. The plant utilises pressurised water reactor technology, which is known for its efficiency and reliability in generating electricity. Within the context of Japan's energy policy, the Kashiwazaki-Kariwa plant has faced scrutiny following the Fukushima disaster, leading to a national reevaluation of nuclear energy's role in the energy mix. Despite these challenges, the facility remains a significant asset in Japan's efforts to achieve a low-carbon energy future. Its strategic location along the Sea of Japan allows it to effectively supply energy to the local grid while contributing to the overall energy needs of the nation. The operational framework of Kashiwazaki-Kariwa is characterised by rigorous safety protocols and adherence to regulatory standards, emphasising the commitment to operate responsibly in the nuclear sector. As Japan continues its journey towards energy diversification, the Kashiwazaki-Kariwa Nuclear Power Plant stands as a testament to the complexities and potential of nuclear energy in a rapidly changing energy landscape.

Capacity
7,965 MW

7.96 GW

Commissioning Year
1980

46 years old

Owner
東京電力ホールディングス株式会社
Location
37.4309°, 138.5992°

Japan, Asia

Location

Coordinates:: 37.430863, 138.599161
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Kashiwazaki-Kariwa Nuclear Power Plant is a nuclear power plant producing approximately 59307 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~12 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Nuclear
Energy Source
Non-Renewable
Country
Japan
Continent
Asia
Data Source
Global Power Station Database

JapanEnergy Profile

664
Total Stations
358.7 GW
Total Capacity
NuclearGasCoalOil
Top Fuels

An Overview of Nuclear Power Generation as a Global Energy Source

Nuclear power generation is a significant source of electricity worldwide, with 243 nuclear power plants operating across 32 countries, contributing a total installed capacity of 534.0 gigawatts (GW). The leading countries in nuclear energy production include the United States, Japan, France, South Korea, and China, with the United States housing the most plants at 68, generating 130.7 GW of power. Nuclear reactors operate on the principle of nuclear fission, where the nucleus of an atom, typically uranium-235 or plutonium-239, is split into smaller parts, releasing a substantial amount of energy in the form of heat. This heat is used to produce steam, which drives turbines connected to electricity generators, thus converting nuclear energy into electrical energy. The advantages of nuclear power are multifaceted. One of the primary benefits is its ability to generate large amounts of electricity with a relatively small footprint compared to fossil fuel plants. Nuclear power plants can operate continuously for long periods, typically around 18-24 months, before needing to refuel, which contributes to a stable and reliable power supply. Additionally, nuclear energy produces minimal greenhouse gas emissions during operation, making it a more environmentally friendly option compared to coal and natural gas power plants. This characteristic positions nuclear power as a potential solution to combat climate change and reduce dependence on fossil fuels. However, nuclear power also has significant disadvantages. The most pressing concern is the management of radioactive waste, which remains hazardous for thousands of years and requires secure, long-term storage solutions. Accidents at nuclear facilities, such as those at Chernobyl and Fukushima, have raised public fears about the safety of nuclear energy, leading to calls for stricter regulations and, in some cases, the decommissioning of nuclear plants. Furthermore, the construction of nuclear power plants is capital-intensive, often requiring substantial investment and time to build, which can deter potential projects. The environmental impact of nuclear power is complex. While it produces minimal air pollution and greenhouse gases, the mining and processing of uranium can result in significant environmental degradation. Additionally, the risk of catastrophic accidents, while statistically low, poses a potential threat to both human safety and the environment. The management of nuclear waste remains a critical challenge that must be addressed to ensure the long-term sustainability of nuclear energy. Globally, there is a noticeable trend towards the expansion of nuclear power, particularly in countries like China, which is rapidly increasing its nuclear capacity. As nations strive to meet energy demands while addressing climate change, many are considering nuclear power as a viable alternative to fossil fuels. The development of advanced reactor technologies, including small modular reactors (SMRs) and next-generation reactors, holds promise for improving safety and efficiency in nuclear energy production. Looking to the future, the outlook for nuclear power generation is mixed. While some countries are phasing out nuclear energy in favour of renewable sources, others are investing in new technologies to enhance the safety and efficiency of nuclear power. The global energy landscape is evolving, and nuclear power may play a crucial role in achieving energy security and sustainability. As technological advancements continue to emerge and public perception shifts, nuclear power could see a resurgence as a key player in the global energy mix.

See Incorrect or Missing Data?

Help us improve our database by reporting any corrections or updates. Your contribution helps keep our global power station data accurate and up-to-date.

Kashiwazaki-Kariwa Nuclear Power Plant – 7,965 MW Nuclear Power Plant in Japan