New York ISO

In New York’s renewable transition, eliminating and replacing the grid’s final five percent of carbon-emitting generation may be the hardest, new data shows. Learn more: https://www.nyiso.com/-/the-last-five-percent-testing-the-feasibility-of-a-fully-emissions-free-grid

Behind every flip of a switch is a complex system supported 24/7/365 by NYISO engineers, economists, technologists, and energy experts working to ensure power is available when and where New Yorkers need it. www.nyiso.com/about-us

Despite years of policy designed to spur investment, New York is facing tightening supply margins, rising costs, and growing reliability concerns. How did we get here? Read our latest blog to find out. https://www.nyiso.com/-/when-electricity-markets-work-as-designed-investment-follows

While current forecasts suggest a generally stable natural gas supply and a somewhat milder winter in the Northeast, winter preparedness remains essential. Read more: www.nyiso.com/-/winter-pre...

Like other ISOs and RTOs, NYISO operates independently of commercial interests while remaining subject to regional and federal oversight. This structure supports decisions grounded in technical expertise, objective data, and grid reliability.  https://ow.ly/JkaQ50ZVAuf  

Recent NYISO planning reports show narrowing reliability margins, rising demand, and resources that have supported reliability are leaving the system. This moment demands nimble planning and wholesale electricity markets that can attract new generation. www.nyiso.com/-/what-new-y...

At this year’s Climate Week NYC events, NYISO leaders contributed to conversations examining some of the most pressing issues facing the electric industry. Read our recap blog to learn more: www.nyiso.com/-/at-climate...

Our 20-year Outlook explores how policy could shape New York's future grid needs.    Scenarios that achieve 90% to 95% zero-emissions generation can deliver significant reliability benefits with less investment than pathways requiring a 100% zero-emissions grid. https://ow.ly/st0g50ZUy2m  

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-...

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-...

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

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

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-...

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

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...

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

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/...

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 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

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

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 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.

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.

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...

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.

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...

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...

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

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

Today we commemorate June 19, 1865, when the freedom promised to African Americans in the Emancipation Proclamation was finally enforced nationwide.

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...

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: https://www.nyiso.com/power-trends #GridFactFriday

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...

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: https://www.nyiso.com/-/nyiso-announces-new-solar-generation-record

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

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: https://www.nyiso.com/power-trends

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

🌈 This Pride Month, the People Who Power New York are proud to support the LGBTQ+ community. ❤️💜💙💚💛🧡

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: https://www.nyiso.com/-/at-the-nyiso-independent-is-literally-our-middle-name #GridFactFriday

This Memorial Day, we at the NYISO honor the brave individuals and their families who selflessly gave everything to protect our country.

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: https://nysci.org/exhibits/

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...

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.

💡 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

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!

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. https://www.nyiso.com/-/podcast-ep.-44-wind-and-solar-are-rising-udayan-nair-on-what-it-means-for-the-grid

Here at NYISO, we do more than keep the lights on. Learn more: nyiso.com/what-we-do #GridFactFriday