New York ISO
@nyiso.com
As an independent not-for-profit, we operate New York’s power grid, administer wholesale energy markets, and plan for long-term system reliability. https://www.nyiso.com/
The NYISO was at #ClimateWeekNYC, where President & CEO Rich Dewey and Executive Vice President & COO Emilie Nelson shared insights on grid reliability in the context of New York’s clean energy transition.
October 2, 2026 at 5:18 PM
The NYISO was at #ClimateWeekNYC, where President & CEO Rich Dewey and Executive Vice President & COO Emilie Nelson shared insights on grid reliability in the context of New York’s clean energy transition.
When one of the grid's newest resources went offline during one of the summer's most demanding periods, New York benefited from an independent system operator that had the resilience and independence to make difficult calls and keep the power flowing. www.utilitydive.com/news/nyisos-...
September 30, 2026 at 3:53 PM
When one of the grid's newest resources went offline during one of the summer's most demanding periods, New York benefited from an independent system operator that had the resilience and independence to make difficult calls and keep the power flowing. www.utilitydive.com/news/nyisos-...
On this 25th anniversary, we pause to remember the lives lost on September 11, 2001, and to honor the courage, resilience, and sacrifice of the first responders, families, and communities forever impacted.
September 11, 2026 at 1:13 PM
On this 25th anniversary, we pause to remember the lives lost on September 11, 2001, and to honor the courage, resilience, and sacrifice of the first responders, families, and communities forever impacted.
Our new Outlook report is intended to help policymakers, regulators, and developers understand how different policy decisions can shape New York’s electric grid.
Learn more about the Outlook's key findings and recommendations in our latest blog. www.nyiso.com/-/2025-2044-...
Learn more about the Outlook's key findings and recommendations in our latest blog. www.nyiso.com/-/2025-2044-...
September 10, 2026 at 1:22 PM
Our new Outlook report is intended to help policymakers, regulators, and developers understand how different policy decisions can shape New York’s electric grid.
Learn more about the Outlook's key findings and recommendations in our latest blog. www.nyiso.com/-/2025-2044-...
Learn more about the Outlook's key findings and recommendations in our latest blog. www.nyiso.com/-/2025-2044-...
Maintaining reliability requires resources that can respond to the system’s needs in real time.
Learn more about the importance of a balanced, all-of-the-above approach to energy development. https://www.nyiso.com/-/what-an-all-of-the-above-energy-strategy-looks-like-and-why-its-essential
Learn more about the importance of a balanced, all-of-the-above approach to energy development. https://www.nyiso.com/-/what-an-all-of-the-above-energy-strategy-looks-like-and-why-its-essential
August 28, 2026 at 12:55 PM
Maintaining reliability requires resources that can respond to the system’s needs in real time.
Learn more about the importance of a balanced, all-of-the-above approach to energy development. https://www.nyiso.com/-/what-an-all-of-the-above-energy-strategy-looks-like-and-why-its-essential
Learn more about the importance of a balanced, all-of-the-above approach to energy development. https://www.nyiso.com/-/what-an-all-of-the-above-energy-strategy-looks-like-and-why-its-essential
When NYISO was established in 1999, state and federal policymakers recognized that operating the electric grid and administering wholesale electric markets required neutral, fact-based decision making insulated from commercial and political pressures. www.nyiso.com/-/the-value-...
August 26, 2026 at 1:42 PM
When NYISO was established in 1999, state and federal policymakers recognized that operating the electric grid and administering wholesale electric markets required neutral, fact-based decision making insulated from commercial and political pressures. www.nyiso.com/-/the-value-...
Two recent weather events exemplify how shrinking supply margins, growing demand and increased seasonal volatility are already impacting New York’s electric grid.
Read more: https://www.nyiso.com/-/summer-and-winter-extremes-present-unique-reliability-challenges
Read more: https://www.nyiso.com/-/summer-and-winter-extremes-present-unique-reliability-challenges
August 11, 2026 at 1:20 PM
Two recent weather events exemplify how shrinking supply margins, growing demand and increased seasonal volatility are already impacting New York’s electric grid.
Read more: https://www.nyiso.com/-/summer-and-winter-extremes-present-unique-reliability-challenges
Read more: https://www.nyiso.com/-/summer-and-winter-extremes-present-unique-reliability-challenges
Our new Outlook report finds that New York can achieve deep decarbonization through policy pathways that allow for continued, limited operation of fossil fuel, rather than relying exclusively on zero-emissions technologies.
Learn more: www.nyiso.com/-/2025-2044-...
Learn more: www.nyiso.com/-/2025-2044-...
August 10, 2026 at 5:09 PM
Our new Outlook report finds that New York can achieve deep decarbonization through policy pathways that allow for continued, limited operation of fossil fuel, rather than relying exclusively on zero-emissions technologies.
Learn more: www.nyiso.com/-/2025-2044-...
Learn more: www.nyiso.com/-/2025-2044-...
The 2025-2044 System & Resource Outlook uses a scenario-based planning approach to examine how New York’s power system may evolve over the next 20 years.
View our new fact sheet to learn more ⬇️
https://www.nyiso.com/documents/d/guest/2025-2044-outlook-fact-sheet
View our new fact sheet to learn more ⬇️
https://www.nyiso.com/documents/d/guest/2025-2044-outlook-fact-sheet
August 6, 2026 at 1:42 PM
The 2025-2044 System & Resource Outlook uses a scenario-based planning approach to examine how New York’s power system may evolve over the next 20 years.
View our new fact sheet to learn more ⬇️
https://www.nyiso.com/documents/d/guest/2025-2044-outlook-fact-sheet
View our new fact sheet to learn more ⬇️
https://www.nyiso.com/documents/d/guest/2025-2044-outlook-fact-sheet
New York's grid is operating with less margin for error than in the past. Investment must occur now to reverse declining reserve margins and ensure adequate supply is in place. Power Trends 2026 explains why an “all-of-the-above” strategy is essential.
Learn more. www.nyiso.com/-/what-an-al...
Learn more. www.nyiso.com/-/what-an-al...
July 29, 2026 at 2:51 PM
New York's grid is operating with less margin for error than in the past. Investment must occur now to reverse declining reserve margins and ensure adequate supply is in place. Power Trends 2026 explains why an “all-of-the-above” strategy is essential.
Learn more. www.nyiso.com/-/what-an-al...
Learn more. www.nyiso.com/-/what-an-al...
Our latest System & Resource Outlook finds New York will need substantial new investment in reliable generation and transmission infrastructure to serve growing electricity demand and state policy targets.
Learn more: https://ow.ly/buol50ZrXnB
Learn more: https://ow.ly/buol50ZrXnB
July 23, 2026 at 2:34 PM
Our latest System & Resource Outlook finds New York will need substantial new investment in reliable generation and transmission infrastructure to serve growing electricity demand and state policy targets.
Learn more: https://ow.ly/buol50ZrXnB
Learn more: https://ow.ly/buol50ZrXnB
New York’s grid is being reshaped by the convergence of several factors.
Review the top five trends shaping system conditions in our Power Trends 2026 Fact Sheet. www.nyiso.com/documents/d/...
Review the top five trends shaping system conditions in our Power Trends 2026 Fact Sheet. www.nyiso.com/documents/d/...
July 20, 2026 at 2:06 PM
New York’s grid is being reshaped by the convergence of several factors.
Review the top five trends shaping system conditions in our Power Trends 2026 Fact Sheet. www.nyiso.com/documents/d/...
Review the top five trends shaping system conditions in our Power Trends 2026 Fact Sheet. www.nyiso.com/documents/d/...
New York’s electric system is in the midst of a historic transformation driven by simultaneous changes in supply, demand, and infrastructure.
Power Trends 2026 dives into what’s shaping reliability, planning, and electricity markets in New York.
Read the full report. https://ow.ly/PC3P50ZnouU
Power Trends 2026 dives into what’s shaping reliability, planning, and electricity markets in New York.
Read the full report. https://ow.ly/PC3P50ZnouU
July 14, 2026 at 3:02 PM
New York’s electric system is in the midst of a historic transformation driven by simultaneous changes in supply, demand, and infrastructure.
Power Trends 2026 dives into what’s shaping reliability, planning, and electricity markets in New York.
Read the full report. https://ow.ly/PC3P50ZnouU
Power Trends 2026 dives into what’s shaping reliability, planning, and electricity markets in New York.
Read the full report. https://ow.ly/PC3P50ZnouU
POWER TREND: Generator deactivations in New York are outpacing new supply additions. As aging fossil-fuel plants deactivate or underperform, dependable output and operational flexibility decline.
Learn more. https://www.nyiso.com/power-trends
Learn more. https://www.nyiso.com/power-trends
July 10, 2026 at 12:10 PM
POWER TREND: Generator deactivations in New York are outpacing new supply additions. As aging fossil-fuel plants deactivate or underperform, dependable output and operational flexibility decline.
Learn more. https://www.nyiso.com/power-trends
Learn more. https://www.nyiso.com/power-trends
Potential demand from large loads is growing and less predictable. This growth is difficult to forecast due to uncertainty with construction timelines, state and local permitting, and evolving state policies.
Learn more in Power Trends 2026. www.nyiso.com/power-trends
Learn more in Power Trends 2026. www.nyiso.com/power-trends
July 8, 2026 at 1:44 PM
Potential demand from large loads is growing and less predictable. This growth is difficult to forecast due to uncertainty with construction timelines, state and local permitting, and evolving state policies.
Learn more in Power Trends 2026. www.nyiso.com/power-trends
Learn more in Power Trends 2026. www.nyiso.com/power-trends
Today, and every day, we celebrate independence. NYISO’s independence ensures that no entities, whether commercial or political, can unduly influence how the electric system operates.
The mandate is simple and strong: grid reliability at efficient cost. https://ow.ly/Q5eS50Zkh9q
The mandate is simple and strong: grid reliability at efficient cost. https://ow.ly/Q5eS50Zkh9q
July 4, 2026 at 2:12 PM
Today, and every day, we celebrate independence. NYISO’s independence ensures that no entities, whether commercial or political, can unduly influence how the electric system operates.
The mandate is simple and strong: grid reliability at efficient cost. https://ow.ly/Q5eS50Zkh9q
The mandate is simple and strong: grid reliability at efficient cost. https://ow.ly/Q5eS50Zkh9q
The Energy Watch issued for July 2 has concluded. Operating reserves have returned to standard levels and the grid is operating normally at this time.
Visit www.nyiso.com/system-conditions to learn more.
Visit www.nyiso.com/system-conditions to learn more.
July 3, 2026 at 1:31 AM
The Energy Watch issued for July 2 has concluded. Operating reserves have returned to standard levels and the grid is operating normally at this time.
Visit www.nyiso.com/system-conditions to learn more.
Visit www.nyiso.com/system-conditions to learn more.
An Energy Watch for July 2 has been issued due to a decline in operating reserves. The grid is operating normally at this time and there are adequate resources to meet forecasted demand.
Visit www.nyiso.com/system-conditions to learn more.
Visit www.nyiso.com/system-conditions to learn more.
July 2, 2026 at 4:45 PM
An Energy Watch for July 2 has been issued due to a decline in operating reserves. The grid is operating normally at this time and there are adequate resources to meet forecasted demand.
Visit www.nyiso.com/system-conditions to learn more.
Visit www.nyiso.com/system-conditions to learn more.
As high temperatures drive up demand on the electric grid in New York, we are providing an update on peak demand forecasts and how New Yorkers can stay informed about grid conditions.
View our latest press release:
www.nyiso.com/-/press-rele...
View our latest press release:
www.nyiso.com/-/press-rele...
July 1, 2026 at 8:05 PM
As high temperatures drive up demand on the electric grid in New York, we are providing an update on peak demand forecasts and how New Yorkers can stay informed about grid conditions.
View our latest press release:
www.nyiso.com/-/press-rele...
View our latest press release:
www.nyiso.com/-/press-rele...
Most of the time, the grid runs reliably. But when electricity use rises, especially during hot summer days, it can come under stress. That’s where our Grid Alert system plays an important role. Our latest video explains.
Learn more, visit www.nyiso.com/system-conditions.
Learn more, visit www.nyiso.com/system-conditions.
July 1, 2026 at 6:13 PM
Most of the time, the grid runs reliably. But when electricity use rises, especially during hot summer days, it can come under stress. That’s where our Grid Alert system plays an important role. Our latest video explains.
Learn more, visit www.nyiso.com/system-conditions.
Learn more, visit www.nyiso.com/system-conditions.
What’s delaying energy projects in New York?
As developers advance projects through the interconnection process, they also navigate challenges with supply chain, project capital, and economic forces.
Learn more: www.nyiso.com/-/whats-dela...
As developers advance projects through the interconnection process, they also navigate challenges with supply chain, project capital, and economic forces.
Learn more: www.nyiso.com/-/whats-dela...
June 30, 2026 at 4:11 PM
What’s delaying energy projects in New York?
As developers advance projects through the interconnection process, they also navigate challenges with supply chain, project capital, and economic forces.
Learn more: www.nyiso.com/-/whats-dela...
As developers advance projects through the interconnection process, they also navigate challenges with supply chain, project capital, and economic forces.
Learn more: www.nyiso.com/-/whats-dela...
A heat dome from June 30 to July 5 will bring extreme temperatures to New York this week and drive up consumer demand on the electric system.
The NYISO may issue grid alerts if energy reserve margins drop below specified levels.
Read the Press Release: www.nyiso.com/-/press-rele...
The NYISO may issue grid alerts if energy reserve margins drop below specified levels.
Read the Press Release: www.nyiso.com/-/press-rele...
June 29, 2026 at 5:44 PM
A heat dome from June 30 to July 5 will bring extreme temperatures to New York this week and drive up consumer demand on the electric system.
The NYISO may issue grid alerts if energy reserve margins drop below specified levels.
Read the Press Release: www.nyiso.com/-/press-rele...
The NYISO may issue grid alerts if energy reserve margins drop below specified levels.
Read the Press Release: www.nyiso.com/-/press-rele...
As New York’s fossil fleet units age, the likelihood of forced outages and maintenance periods increases, reducing the certainty that these essential generators can be counted on during system stress.
Learn more about the risk of aging generation: www.nyiso.com/power-trends
#GridFactFriday
Learn more about the risk of aging generation: www.nyiso.com/power-trends
#GridFactFriday
June 26, 2026 at 2:13 PM
As New York’s fossil fleet units age, the likelihood of forced outages and maintenance periods increases, reducing the certainty that these essential generators can be counted on during system stress.
Learn more about the risk of aging generation: www.nyiso.com/power-trends
#GridFactFriday
Learn more about the risk of aging generation: www.nyiso.com/power-trends
#GridFactFriday
Our grid alert system keeps New Yorkers informed when operating reserves drop below required levels. This summer, reliability margins remain thin and challenges persist, making timely public awareness essential.
Stay informed: https://www.nyiso.com/system-conditions
Stay informed: https://www.nyiso.com/system-conditions
June 19, 2026 at 3:15 PM
Our grid alert system keeps New Yorkers informed when operating reserves drop below required levels. This summer, reliability margins remain thin and challenges persist, making timely public awareness essential.
Stay informed: https://www.nyiso.com/system-conditions
Stay informed: https://www.nyiso.com/system-conditions
Today we commemorate June 19, 1865, when the freedom promised to African Americans in the Emancipation Proclamation was finally enforced nationwide.
June 19, 2026 at 12:10 PM
Today we commemorate June 19, 1865, when the freedom promised to African Americans in the Emancipation Proclamation was finally enforced nationwide.