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New York ISO

@nyiso.com
310 followers 571 following 191 posts

As an independent not-for-profit, we operate New York’s power grid, administer wholesale energy markets, and plan for long-term system reliability. www.nyiso.com

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New York ISO @nyiso.com · 30/09/2026
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-...
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New York ISO @nyiso.com · 11/09/2026
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.
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New York ISO @nyiso.com · 10/09/2026
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-...
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New York ISO @nyiso.com · 28/08/2026
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. www.nyiso.com/-/what-an-all-of-the-…
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New York ISO @nyiso.com · 26/08/2026
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-...
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New York ISO @nyiso.com · 11/08/2026
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: www.nyiso.com/-/summer-and-winter-e…
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New York ISO @nyiso.com · 10/08/2026
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-...
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New York ISO @nyiso.com · 06/08/2026
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 ⬇️ www.nyiso.com/documents/d/guest/202…
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New York ISO @nyiso.com · 29/07/2026
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...
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New York ISO @nyiso.com · 23/07/2026
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: ow.ly/buol50ZrXnB
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New York ISO @nyiso.com · 20/07/2026
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/...
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New York ISO @nyiso.com · 14/07/2026
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. ow.ly/PC3P50ZnouU
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New York ISO @nyiso.com · 10/07/2026
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. www.nyiso.com/power-trends
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New York ISO @nyiso.com · 08/07/2026
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
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New York ISO @nyiso.com · 04/07/2026
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. ow.ly/Q5eS50Zkh9q
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New York ISO @nyiso.com · 03/07/2026
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.
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New York ISO @nyiso.com · 02/07/2026
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.
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New York ISO @nyiso.com · 01/07/2026
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...
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New York ISO @nyiso.com · 01/07/2026
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.
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New York ISO @nyiso.com · 30/06/2026
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...
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New York ISO @nyiso.com · 29/06/2026
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...
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New York ISO @nyiso.com · 26/06/2026
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
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New York ISO @nyiso.com · 19/06/2026
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: www.nyiso.com/system-conditions
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New York ISO @nyiso.com · 19/06/2026
Today we commemorate June 19, 1865, when the freedom promised to African Americans in the Emancipation Proclamation was finally enforced nationwide.
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New York ISO @nyiso.com · 17/06/2026
The NYISO’s Environmental Advisory Council (EAC) recently met virtually for a discussion on grid reliability, the NYISO’s expansion of scenario-based system planning, and the feasibility of institutional decarbonization and electrification. Learn more www.nyiso.com/-/environmen...
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New York ISO @nyiso.com · 12/06/2026
POWER TREND: The grid relies on a diverse mix of resources. Because no single resource can deliver affordability, reliability, and emissions reductions on its own, an all-of-the-above energy strategy is essential. Learn more: www.nyiso.com/power-trends #GridFactFriday
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New York ISO @nyiso.com · 11/06/2026
In Power Trends 2026, NYISO President & CEO Rich Dewey reinforces how competitive wholesale markets support reliability, reduce costs through competition, protect consumers from financial risk, & enable the system to adapt to changing conditions. ⬇️ www.nyiso.com/-/a-note-fro...
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New York ISO @nyiso.com · 10/06/2026
A new solar record was set on June 3. This milestone highlights the growing contributions of solar resources and the need for an all-of-the-above approach to energy development. Read our news release to learn more: www.nyiso.com/-/nyiso-announces-new…
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New York ISO @nyiso.com · 10/06/2026
A balanced, all-of-the-above approach is the most practical and effective way to ensure that the State can deliver a clean, reliable, and affordable energy future. Download NYISO’s Power Trends 2026 report to learn more. www.nyiso.com/power-trends
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New York ISO @nyiso.com · 09/06/2026
Power Trends 2026 is here. NYISO’s annual State of the Grid and Markets report explores how New York’s electric system is changing, and what it will take to maintain reliability through this period of unprecedented transition. Learn more in the full report: www.nyiso.com/power-trends
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New York ISO @nyiso.com · 05/06/2026
NYISO operates and plans the grid to nearly 1,000 reliability requirements that are enforced by national, regional, and state reliability organizations. These standards help us as we work to keep the lights on for millions of New Yorkers every day. #GridFactFriday
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New York ISO @nyiso.com · 05/06/2026
🌈 This Pride Month, the People Who Power New York are proud to support the LGBTQ+ community. ❤️💜💙💚💛🧡
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New York ISO @nyiso.com · 29/05/2026
NYISO’s independence ensures that no single entity can manipulate market or grid operations, protecting reliability, transparency, and fairness for all New Yorkers. Learn more: www.nyiso.com/-/at-the-nyiso-indepe… #GridFactFriday
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New York ISO @nyiso.com · 25/05/2026
This Memorial Day, we at the NYISO honor the brave individuals and their families who selflessly gave everything to protect our country.
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New York ISO @nyiso.com · 22/05/2026
May is Museum Month, and the #PeopleWhoPowerNY celebrate the Powering the City exhibit at the New York Hall of Science in Queens, which invites visitors to discover how energy is generated and delivered to power our lives. Learn more: nysci.org/exhibits
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New York ISO @nyiso.com · 19/05/2026
In 2025, production from wind and solar resources increased by 16% compared to 2024. In our latest podcast, NYISO Dir. of Grid Transition Udayan Nair shares insights about wind and solar performance and how those resources factor into grid reliability. www.nyiso.com/-/podcast-ep...
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New York ISO @nyiso.com · 18/05/2026
NYISO’s renewable energy and solar generation data integration team recently visited the New York State Mesonet, a statewide weather network consisting of 127 weather stations, to learn more about how climate data can enhance renewable energy forecasting and grid reliability.
NYISO staff tour the Albany Mesonet facility during an educational visit.Inside the Albany Mesonet Sphere room, featuring a six foot projected globe used to visualize satellite and climate data.
University at Albany logo displayed inside the Mesonet Sphere room.
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New York ISO @nyiso.com · 15/05/2026
💡 Did you know? New York is the birthplace of the modern electric grid. In 1882, the nation’s first commercial power plant began operating in Lower Manhattan — laying the foundation for the interconnected power systems we depend on today. #GridFactFriday
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New York ISO @nyiso.com · 14/05/2026
On National Third Shift Workers Day, we celebrate the hardworking grid operators who keep New York powered around the clock. Even while most of us are asleep, their dedication ensures reliability and resilience. Thank you for your tireless efforts!
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New York ISO @nyiso.com · 13/05/2026
NYISO Director of Grid Transition Udayan Nair discusses what the latest data reveals about wind and solar performance and what it means for reliability as electricity demand continues to grow. www.nyiso.com/-/podcast-ep.-44-wind…
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New York ISO @nyiso.com · 08/05/2026
Here at NYISO, we do more than keep the lights on. Learn more: nyiso.com/what-we-do #GridFactFriday
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New York ISO @nyiso.com · 08/05/2026
Extreme weather is proving to be a persistent challenge for grid operators. When transmission lines are at capacity, operators have fewer tools to navigate challenging conditions, underscoring the importance of continued transmission investment. Learn more ➡️ www.nyiso.com/-/winter-wea...
Winter Weather Strain Highlights Importance of Propel NY Project
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New York ISO @nyiso.com · 07/05/2026
Our grid alert system is an essential tool for keeping New Yorkers informed about operational changes to the bulk electric system. Read more: www.nyiso.com/-/nyiso-s-grid-alert-…
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New York ISO @nyiso.com · 01/05/2026
As summer approaches, our grid alert system is ready to notify the public when operating reserves are low and conservation measures may be necessary. Learn more: www.nyiso.com/-/nyiso-s-grid-alert-…
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New York ISO @nyiso.com · 01/05/2026
Wholesale electric markets are competitive, transparent, and designed to deliver cost-efficient, reliable power to consumers. Learn more: www.nyiso.com/administer-electricit… #GridFactFriday
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New York ISO @nyiso.com · 28/04/2026
A combination of mild temperatures, low demand, and relaxed natural gas prices have led to lower wholesale electricity prices. Learn more: www.nyiso.com/-/wholesale-electrici…
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New York ISO @nyiso.com · 24/04/2026
Our 2026 Summer Reliability Assessment finds that the reliability margin under baseline summer conditions is 417 MW – the lowest margin in recent history. Learn more about this assessment: www.nyiso.com/-/press-rele...
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New York ISO @nyiso.com · 22/04/2026
🌎 For the People Who Power New York, every day is Earth Day as we work hard to help ensure that a greener grid of the future is also a reliable one. We’re celebrating Earth Day with seed starter kits.
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New York ISO @nyiso.com · 22/04/2026
ICYMI: For years, NYISO has warned of declining reliability margins and a lack of new supply. Our latest video highlights the need to build new generation.
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New York ISO @nyiso.com · 20/04/2026
Wholesale electricity prices in New York have dropped sharply after a frigid winter drove high demand and operational challenges on the grid. Read our latest blog to learn more: www.nyiso.com/-/wholesale-electrici…
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