Indian Point Energy Center
| Company type | Nuclear power facility |
|---|---|
| Industry | Energy (Nuclear power) |
| Founder | Consolidated Edison (original site acquisition) |
| Defunct | April 30, 2021 |
| Fate | Permanently shut down and decommissioned |
| Headquarters | Buchanan, New York , United States |
Area served | New York City and Westchester County |
| Products | Electricity (Nuclear power) |
| Owner | Holtec International (at closure); previously Entergy Corporation, New York Power Authority, Consolidated Edison |
Number of employees | 1000 (direct full-time staff before closure) |
Indian Point Energy Center (I.P.E.C.) was a nuclear power facility consisting of three units, located in Buchanan, New York, Westchester County, situated on the eastern shore of the Hudson River, roughly north of Midtown Manhattan. The plant permanently halted operations on April 30, 2021. Prior to its shutdown, the two active reactors produced around 2,000 megawatts ([[MWe]]) of electricity, accounting for nearly a quarter of New York City's power consumption. Owned and managed by Holtec International, the site housed three reactors—Units 1, 2, and 3—all now decommissioned. Units 2 and 3 were Westinghouse pressurized water reactor designs. Ownership changed hands when Entergy Corporation purchased Unit 3 from the New York Power Authority in 2000 and acquired Units 1 and 2 from Consolidated Edison in 2001.
The initial operating licenses for Units 2 and 3, each valid for four decades, expired in September 2013 and December 2015 respectively. Entergy applied for license renewals extending operations by twenty years, which the Nuclear Regulatory Commission (NRC) appeared ready to approve. Nevertheless, factors such as depressed wholesale electricity prices, opposition from local anti-nuclear organizations, and pressure from then-Governor Andrew Cuomo culminated in the decision to close the plant by 2021. This closure led to approximately 1,000 job eliminations.
To compensate for Indian Point’s near 2.0 GW supply of low-emission electricity, three natural gas-fired facilities were built: Bayonne Energy Center, CPV Valley Energy Center, and Cricket Valley Energy Center, collectively offering a capacity of about 1.8 GW. This transition has complicated New York’s climate objectives, with carbon dioxide emissions from electricity generation in New York City increasing from roughly 500 to 900 tons per MWh between 2019 and 2022.
Unit 3 achieved a global milestone by operating continuously without interruption for 753 days—from April 9, 2019, until its shutdown on April 30, 2021—maintaining near-full power output throughout this interval. This record surpassed the previous longest run held by Exelon’s LaSalle Unit 1 at 739 days.
Reactors
Indian Point Unit 1 was constructed by ConEdison as a Babcock & Wilcox pressurized water reactor rated at 275 megawatts. It received its license on March 26, 1962, and began service on September 16 that year. Initially fueled with thorium-based material clad in stainless steel, this core design underperformed in longevity and was replaced with uranium dioxide fuel after October 1965. The unit ceased operation on October 31, 1974 due to deficiencies identified in its emergency core cooling system. All spent fuel was removed by January 1976; however, the reactor building remains intact. Entergy intends to dismantle Unit 1 concurrently with Unit 2.
Units 2 and 3 are both four-loop Westinghouse pressurized water reactors completed in the mid-1970s—Unit 2 in 1974 and Unit 3 in 1976. Unit 2’s gross electrical output is rated at approximately 1,032 MWe while Unit 3 produces about 1,051 MWe. Both utilize uranium dioxide fuel enriched up to roughly 4.8% U-235. The reactors are enclosed within containment domes made of steel-reinforced concrete approximately forty inches thick, lined internally with carbon steel for added integrity.
Nuclear energy capacity within New York state
Prior to their decommissioning, Units 2 and 3 were among six nuclear reactors spread across four facilities in New York, a state ranking among the nation's top five for nuclear power capacity and generation, contributing roughly 5% to the United States' total output. Indian Point alone represented 39% of the state's nuclear capacity. In 2017, this facility provided approximately 10% of New York's overall electricity and a quarter of the supply for New York City and Westchester County. The New York Power Authority, which supports infrastructure such as subways, airports, public schools, and housing in these regions, originally constructed Unit 3 but stopped purchasing electricity from Indian Point in 2012. As a result, Entergy sold all power produced at Indian Point into wholesale markets managed by the NYISO and also to New England. Electricity prices in New York rank among the highest across the country, with about half of the state's consumption concentrated in New York City, which itself generates around 40% of the state's electricity.
Refueling operations
Units 2 and 3 followed a biennial refueling schedule, ensuring that only one reactor was offline for maintenance at any given time. On March 2, 2015, Indian Point Unit 3 was shut down for a period of 23 days to complete its refueling process. Entergy allocated $50 million toward this effort, including $30 million dedicated to employee wages. The reactor returned to service on March 25, 2015.
Economic contributions
A report issued by the Nuclear Energy Institute in June 2015 underscored Indian Point's substantial economic influence: generating $1.3 billion annually within the local economy, $1.6 billion across New York State, and $2.5 billion nationwide. In 2014 alone, Entergy paid $30 million in property taxes to state and local governments, with total tax revenues approaching $340 million at all government levels. Between 2015 and 2017, the Village of Buchanan received nearly $2.62 million in payments made in lieu of taxes, primarily sourced from Indian Point.
Over the last ten years, Indian Point consistently achieved a capacity factor exceeding 93%, surpassing industry norms as well as other types of power generation. This high reliability contributed to stabilizing energy costs amid fluctuations in natural gas prices and renewable energy output.
The facility directly employed about 1,000 full-time staff members while supporting an additional estimated 4,400 jobs throughout New York State and roughly 5,300 indirect positions outside the state—amounting to approximately 10,700 jobs nationwide.
Following its closure, a fund valued at $15 million was expected to be established to support community initiatives and environmental projects; Riverkeeper was projected to receive half of this amount—a matter that has generated ongoing discussion among local stakeholders.
History
The site where the reactors were constructed was formerly occupied by the Indian Point Amusement Park, which Consolidated Edison (ConEdison) acquired on October 14, 1954.
Environmental issues
In 2015, concerns emerged regarding the plant’s cooling system allegedly causing the death of over one billion fish eggs and larvae annually despite employing fish screens. A Nuclear Regulatory Commission report from 2010 found survival rates through these screens could be as low as 38% for alewives. In September 2015, a state hearing examined proposals for a potential shutdown between May and August aimed at protecting fish populations. Representatives from Indian Point contended that such measures were unnecessary, highlighting $75 million invested over three decades in studies demonstrating no detrimental effects on adult fish. The hearings extended over three weeks. Additional apprehensions were raised about plans to construct new cooling towers that might reduce forested areas potentially inhabited by muskrats and mink; however, these species were not observed at that time.
In February 2016, Governor Andrew Cuomo called for a comprehensive inquiry into Indian Point’s operations by state environmental and public health agencies. Nonetheless, Cuomo’s motives were questioned after disclosures revealed that two former aides facing federal charges related to influence-peddling had lobbied on behalf of Competitive Power Ventures (CPV), a natural gas company seeking Indian Point’s closure. The U.S. attorney noted that CPV’s proposed Valley Energy Center project partially depended on Indian Point shutting down.
Environmental advocates cautioned that closing the plant would lead to increased carbon emissions since nuclear power does not produce direct CO₂ emissions. A study from Environmental Progress projected that shutting Indian Point would boost New York’s power-sector emissions by 29%, equivalent to adding approximately 1.4 million vehicles on the roads. In April 2016, climate scientist James Hansen criticized efforts calling for Indian Point’s closure—including those by Senator Bernie Sanders—describing them as "an orchestrated campaign" that misleads the public regarding both the plant’s safety record and its significance for climate change mitigation.
License Renewal and Advocacy for Shutdown
The NRC initially granted 40-year operating licenses to Units 2 and 3, with Unit 2’s authorization expiring in September 2013 and Unit 3’s in December 2015. In April 2007, Entergy submitted applications to extend both licenses for an additional 20 years, enabling ongoing operation while the NRC conducted its evaluation.
Environmental advocacy organization Riverkeeper spearheaded campaigns aimed at closing Indian Point, citing environmental harm from water intake processes and concerns over security vulnerabilities. The plant was prominently featured in the 2004 documentary Indian Point: Imagining the Unimaginable, which showcased opposition efforts led by Robert F. Kennedy, Jr. In 2007, the anti-nuclear coalition Friends United for Sustainable Energy (FUSE) legally contested the relicensing of Unit 2, asserting that the NRC relied on outdated design criteria; however, the NRC countered that newer standards were applied only after construction.
Public officials including Westchester County Executive Andrew Spano, New York Attorney General Andrew Cuomo, and Governor Eliot Spitzer voiced opposition to relicensing in December 2007, joined by environmental groups. In April 2010, the New York State Department of Environmental Conservation determined that Indian Point violated the Clean Water Act because its water intake system resulted in the death of nearly one billion aquatic organisms annually, some endangered species among them. The state mandated the installation of expensive closed-cycle cooling towers, effectively threatening prolonged shutdown during construction. Entergy’s alternative plan involving fish screens was denied.
Advocates supporting license extensions included former New York City mayors Michael Bloomberg and Rudolph Giuliani; Bloomberg highlighted Indian Point’s essential contribution to the city’s economic stability. The New York Independent System Operator cautioned that shutting down the plant would undermine grid reliability and restrict power transfers from upstate sources.
Governor Andrew Cuomo remained a consistent proponent of closure. By mid-2011, his administration formally notified Entergy of its closure intentions while promoting legislation designed to accelerate approval processes for replacement generation facilities. Industry analysts expressed skepticism about whether substitute plants could be licensed and constructed promptly given New York’s complex regulatory environment and limited interstate grid integration, warning of potential increases in electricity prices and risks of blackouts.
Several local members of Congress opposed relicensing efforts, including Democrats Nita Lowey, Maurice Hinchey, Eliot Engel, as well as former Republican Sue Kelly.
In November 2016, the New York Court of Appeals ruled that license renewal applications must adhere to state coastal management regulations, which had previously been found noncompliant by the New York Department of State. Entergy responded by filing a lawsuit challenging this ruling.
Safety
Compared to other power facilities in New York, Indian Point Energy Center was subject to more rigorous oversight and regulation by multiple agencies including the NRC, FERC, NYSPSC, NYISO, NYSDEC, and EPA. Its forced outage rate—defined as shutdowns caused by equipment malfunction—was lower than most other plants in the state, indicating higher operational reliability. Beginning in late 2015, Governor Cuomo escalated political pressure by initiating probes through the state public utility commission, health department, and environmental conservation agency. These investigations differed from standard outage reviews focused on retail customers by addressing wider regulatory issues. By November 2017, NYISO had accepted Indian Point’s formal notice of retirement.
In 1997, Unit 3 was removed from the NRC’s list requiring increased oversight following improved inspection results. The plant achieved its fifth consecutive top safety rating from federal regulators in 2009, reflecting substantial enhancements in safety culture. A report commissioned by Governor Pataki in 2003 criticized emergency radiological response plans as insufficient to protect the public during a radiation release event; however, a 2012 evacuation study commissioned by Entergy concluded that existing county traffic management strategies were adequate.
Indian Point is considered the most earthquake-prone nuclear facility in the United States. Despite this heightened natural disaster vulnerability, plant operators have consistently emphasized safety as a fundamental business strength in communications with stakeholders and within operational practices.
Incidents
- Shortly after Indian Point 2 commenced operations in 1973, the facility was closed following the discovery of deformation in the steel liner of the reactor’s concrete dome.
- On October 17, 1980, nearly 100,000 US gallons of Hudson River water infiltrated Indian Point 2’s containment building through a fan cooling unit, escaping detection by safety mechanisms. The failure of two pumps to remove the water prompted the NRC to consider imposing a $2.1 million penalty.
- A Steam Generator Tube Rupture (SGTR) occurred on February 15, 2000, in Unit 2, resulting in leakage of primary system water into the secondary circuit. This incident led to the replacement of all four steam generators.
- In 2005, a minor leak from the spent fuel pool released tritium- and strontium-90-contaminated water into the Hudson River; however, the spent fuel rods remained securely submerged. By March 2006, further radioactive contaminants including nickel-63 were detected in groundwater at the site.
- A transformer fire at Unit 3 in 2007 triggered intensified NRC inspections due to a pattern of frequent unplanned shutdowns and recurring transformer problems at Indian Point. That same year, the NRC fined the plant $130,000 for failing to meet an emergency siren plan deadline; these sirens are intended to warn residents within a ten-mile radius during emergencies.
- On January 7, 2010, approximately 600,000 gallons of low-level radioactive steam were deliberately vented following an automatic shutdown of Unit 2; one vent valve remained slightly open for two days, but tritium concentrations stayed within NRC safety thresholds.
- An explosion on November 7, 2010, in a main transformer at Indian Point 2 caused oil to spill into the Hudson River. Entergy subsequently paid a $1.2 million fine related to this event.
- In July 2013, authorities arrested a former supervisor for falsifying records concerning particulate contamination levels in diesel fuel used for backup generators.
- On May 9, 2015, a transformer malfunction at Indian Point 3 led to an automatic reactor trip and fire; around 3,000 gallons of dielectric fluid leaked into the Hudson River. The fire was promptly extinguished and reactor conditions stabilized.
- A mylar balloon caused an offsite electrical fault in June 2015 that resulted in an automatic shutdown of Unit 3.
- Unit 3 was manually taken offline on July 8, 2015, due to failure of a feedwater pump.
- On December 5, 2015, Unit 2 experienced an automatic shutdown after multiple control rods lost power.
- Governor Andrew Cuomo revealed on February 6, 2016, that radioactive tritium-contaminated water had seeped into groundwater at Indian Point.
Spent fuel
Indian Point stores its spent nuclear fuel rods within two onsite pools that are located indoors. These pools measure approximately 40 feet deep and are covered by about 27 feet of water, which serves as an effective shield against radiation. They are constructed with thick concrete walls lined with stainless steel and incorporate multiple redundant cooling systems; additionally, they are embedded within solid bedrock for enhanced safety.
Since 2008, dry cask storage has been utilized at Indian Point for spent fuel rods—a method approved by the Nuclear Regulatory Commission (NRC) as both safe and environmentally responsible. Some fuel rods have been transferred from wet pool storage to dry casks while maintaining nearly full pools to accommodate the eventual clearing of reactor cores. These dry cask systems are engineered to resist natural disasters such as floods and tornadoes, as well as impacts from projectiles and extreme temperatures. NRC regulations mandate that spent fuel remains stored in pools for a minimum of five years before it may be moved to dry cask storage.
Seismic hazard
In 2008, researchers from Columbia University uncovered a previously unrecognized seismic zone near Indian Point, intersecting with the Ramapo Fault less than one mile north of the facility. Although the Ramapo Fault is the longest in the northeastern United States, its level of seismic activity remains a subject of debate.
Indian Point was constructed to endure earthquakes up to a magnitude of 6.1 on the Richter scale. Entergy has affirmed that the plant’s design can accommodate tremors exceeding any historically recorded in the vicinity, albeit not reaching the intensity of Japan’s 2011 Fukushima disaster.
A 2010 study by the Nuclear Regulatory Commission (NRC) estimated the annual probability of an earthquake causing core damage at Indian Point as approximately 1 in 30,303 for Unit 2 and 1 in 10,000 for Unit 3. Media coverage emphasized Unit 3’s comparatively higher risk due to less rigorous seismic design standards relative to plants located in high seismic zones such as California. The NRC clarified that it does not assign rankings based on seismic risk and cautioned against drawing definitive conclusions from these figures.
In 2013, Entergy conducted a reassessment of Unit 3’s seismic risk incorporating updated geological information, resulting in significantly reduced estimates of core damage likelihood—ranging from 1 in 106,000 to 1 in 141,000 reactor years—reflecting a more thorough evaluation than earlier analyses performed by prior operators.
Both Units 2 and 3 were operating at full capacity during the August 2011 Virginia earthquake; subsequent inspections revealed no major damage.
Emergency preparedness
The Nuclear Regulatory Commission establishes two emergency planning zones surrounding nuclear power stations: a 10-mile plume exposure pathway zone addressing airborne radioactive contamination risks, and a broader 50-mile ingestion pathway zone concerned with contamination of food and water supplies.
Reviewing data from the 2010 U.S. Census indicated that approximately 272,539 individuals resided within ten miles of Indian Point—a growth of 17.6% over the previous decade—and about 17,220,895 people lived within fifty miles, marking a 5.1% increase since 2000. Prominent urban centers within this radius include New York City (41 miles), Bridgeport, Connecticut (40 miles), Newark, New Jersey (39 miles), and Stamford, Connecticut (24 miles).
In the aftermath of the Fukushima incident in 2011, U.S. authorities recommended Americans maintain a distance exceeding fifty miles from affected zones. Columnist Peter Applebome observed that a comparable radius around Indian Point would encompass nearly all of New York City except Staten Island, along with substantial portions of Nassau and Suffolk Counties and the entirety of Bergen and Fairfield Counties. Purdue University professor Daniel Aldrich characterized existing evacuation plans as largely impractical.
The ten-mile Emergency Planning Zone (EPZ) is designed to meet NRC requirements and is customized based on local site conditions, topography, and population distribution to facilitate protective actions during emergencies if necessary. Executives at Entergy have expressed skepticism that evacuation boundaries would extend as far as New York City.
Security at Indian Point is overseen by federal, state, and local law enforcement agencies, supplemented by a nearby National Guard facility and private security personnel stationed on-site.
During the September 11 attacks, American Airlines Flight 11 passed close to Indian Point en route to the World Trade Center; one hijacker had considered nuclear facilities as potential targets. Entergy maintains that it is prepared for terrorist threats and asserts that a large commercial aircraft crash would not compromise the reactor containment structure. Following 9/11, NRC regulations require nuclear plant operators to evaluate terrorist risks and develop corresponding response strategies. In 2006, Indian Point completed NRC-mandated simulated assault drills; however, environmental organization Riverkeeper has criticized these exercises for underestimating attacker numbers.
According to The New York Times, spent nuclear fuel stored in dry cask systems at Indian Point is less susceptible to terrorist attacks compared to fuel stored in cooling pools.
Closure
Toward the close of 2015, Governor Cuomo escalated political efforts targeting Indian Point by prompting inquiries from the state’s public utility commission, health department, and environmental conservation agency. By November 2017, the New York Independent System Operator (NYISO) had officially acknowledged Indian Point’s notice of retirement. Earlier, in January 2017, the governor revealed a plan for a staged shutdown: Unit 2 was scheduled to cease operations by 2020, followed by Unit 3 in 2021.
Unit 2 ceased functioning in April 2020, with Unit 3 following suit in April 2021. The plant was subsequently purchased from Entergy by Holtec, which assumed responsibility for its decommissioning. A report issued by the New York Building Congress underscored the necessity for expanding natural gas pipeline infrastructure to satisfy New York City’s increasing energy requirements after Indian Point’s closure. Holtec encountered opposition from local communities concerning its proposal to release treated wastewater into the Hudson River, prompting legislative action by both the New York State Senate and Assembly to prohibit such discharges.
Proposals for alternate energy sources
Prior to Indian Point’s shutdown, various alternative clean energy options were considered, including grid-scale energy storage solutions, renewable resources such as solar and wind power, a new transmission cable from Canada via the Champlain Hudson Power Express, and a 650 MW natural gas facility located in Wawayanda, New York. In 2013, a plan emerged for a 1,000 MW merchant high-voltage direct current (HVDC) transmission line linking Athens and Buchanan, New York; however, progress stalled when the Town of Cortlandt acquired the proposed site for the southern converter station. As of October 1, 2018, the CPV Valley plant—a 650 MW natural gas facility in Wawayanda—entered commercial operation. This project has been connected to Governor Cuomo’s former aide Joe Percoco amid related corruption investigations. Additionally, by mid-2020, the Cricket Valley Energy Center, a natural gas plant with a capacity of 1,100 MW located in Dover, New York, became operational.
In 2012, under Governor Cuomo’s direction, the New York State Public Service Commission (NYSPSC) launched an Indian Point contingency initiative aimed at soliciting alternative energy solutions. This process culminated in selecting the Transmission Owner Transmission Solutions (TOTS) plan. TOTS enhanced transfer capacity by approximately 450 MW through three key projects: installing series compensation at Marcy, reconductoring existing lines while adding new transmission infrastructure, and increasing Staten Island’s transmission capacity—a process referred to as “unbottling.” Except for portions of the Staten Island segment, these upgrades were completed and functioning by mid-2016. The associated costs—ranging from $27 million to $228 million—are distributed among utilities via rate cases approved by the Federal Energy Regulatory Commission (FERC), with portions allocated to both the New York Power Authority (NYPA) and Long Island Power Authority (LIPA).
This effort also stimulated development of an “energy highway” initiative aimed at strengthening key transmission corridors such as Edic-Pleasant Valley and Oakdale-Fraser; these projects remain under review by NYISO and NYSPSC regulatory bodies.
Aftermath
The generation capacity lost due to Indian Point’s closure was primarily supplanted by increased fossil gas usage, resulting in a marked rise in carbon emissions. In the first full month following shutdowns, New York experienced a 35% surge in in-state carbon emissions alongside an increase in natural gas generation share from 35% to 39%.
In popular culture
The facility was humorously represented as a competing power plant in an episode of The Simpsons.
See also
- List of largest power stations in the United States
- Nuclear power in the United States
- New York Power Authority
- New York energy law
External links
- Entergy Nuclear: Indian Point Facility
- NRC: Indian Point Unit 2 Details
- NRC: Indian Point Unit 3 Information
- NRC: Spent Nuclear Fuel Storage
- Department of Energy Overview
- Entergy: "It's Right For New York" Campaign
- Entergy: "Indian Point Energy Center: Safe. Secure. Vital."
- Riverkeeper.org: "Indian Point" Advocacy
- Operational Experience at Indian Point, a 1964 documentary highlighting Indian Point Unit 1 operations
- Articles with short description
- Energy infrastructure completed in 1962
- Energy infrastructure completed in 1974
- Energy infrastructure completed in 1976
- Hudson River
- Towers in New York (state)
- Nuclear power stations with closed reactors
- Buildings and structures in Westchester County, New York
- 1962 establishments in New York (state)
- Nuclear power plants in New York (state)
- Nuclear power stations using pressurized water reactors
- Entergy
- Anti-nuclear protests in the United States
- Former nuclear power stations in the United States