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: nyiso.com/-/the-last-five-pe…

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. 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. nyiso.com/-/when-electricity…

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

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.  nyiso.com/-/the-value-of-ind…

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. nyiso.com/-/what-new-york-s-…

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: nyiso.com/-/at-climate-week-…

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 reliability benefits with less investment than pathways requiring a 100% zero-emissions grid. ow.ly/EItJ50ZUxWn

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. 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. nyiso.com/-/2025-2044-outloo…

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. nyiso.com/-/what-an-all-of-t…

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. nyiso.com/-/the-value-of-ind…

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: nyiso.com/-/summer-and-winte…

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: nyiso.com/-/2025-2044-outloo…

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 ⬇️ nyiso.com/documents/d/guest/…

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. nyiso.com/-/what-an-all-of-t…

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: nyiso.com/-/press-release-ny…

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. nyiso.com/documents/d/guest/…