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Recent Posts
Learning Across Borders: NYISO Shares and Gains Grid Reliability Insights in Germany
What can New York’s grid operators learn from their counterparts overseas, and what expertise and wisdom can they offer in return? That two-way exchange brought NYISO’s Aaron Markham, Vice President of Operations, and Udayan Nair, Director of Grid Transition, to Grid Transformation Week in Germany, where they joined grid operators, technology providers, researchers, and other energy experts from around the world.
The Last Five Percent: Testing the Feasibility of a Fully Emissions-Free Grid
A recent analysis by NYISO’s independent Market Monitoring Unit shows that moving from a 95% emissions-free electric system to 100% would require a disproportionate increase in cost and construction, making the last five percentage points the most difficult part of the transition.
NYISO’s Independence is Critical to a Reliable Future Grid
In the spring, the New York Independent System Operator issued a troubling forecast: New York’s electric grid was heading into summer with the slimmest reliability margin in recent history.
Winter is Coming. Here’s What that Could Mean for Electricity Prices and the Grid.
As New York prepares for another winter, the latest Energy Information Administration (EIA) Short-Term Energy Outlook (STEO) provides a useful reminder that fuel markets remain an important factor in electric system operations.
What New York’s Electric Grid Needs Now
In the summer of 2003, a tree branch in Ohio struck a transmission line.
At Climate Week NYC, NYISO Leaders Talk Reliability, Affordability & the Renewable Transition
NYISO leaders recently participated in Climate Week NYC events, joining policymakers, business leaders, investors, and energy experts for discussions on reliability in the context of the renewable transition.
When Electricity Markets Work as Designed, Investment Follows
This is how competitive electricity markets are supposed to work: consumer demand goes up, supply becomes tight, and prices rise, sending signals to attract investment in reliable resources where they are needed most on the grid.
Summer and Winter Extremes Present Unique Reliability Challenges
Two recent weather events exemplify how shrinking supply margins, growing demand and increased seasonal volatility are already impacting New York’s electric grid.
2025-2044 Outlook Explores Pathways to a Reliable, Cleaner Grid
The NYISO's 2025-2044 System & Resource Outlook 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.
The Value of Independence: Why NYISO Governance Matters for Reliability and Consumers
When the 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 that is insulated from commercial and political pressures.
What's Delaying the Completion of Energy Projects in New York?
New York urgently needs new generation to meet rising demand. While the NYISO has made progress in streamlining its interconnection process, data shows that clearing interconnection studies does not guarantee projects move forward to construction.
Environmental Advisory Council Discusses Scenario-Based Planning, Institutional Decarbonization at May Meeting
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.
What an “All-of-the-Above” Energy Strategy Looks Like and Why It’s Essential
New York is facing a monumental challenge: It must deliver an energy system that is reliable, affordable, and clean, all while maintaining the diversity of resources needed to achieve those goals.
A Note from NYISO President & CEO Rich Dewey on Power Trends 2026
The transformation now underway in New York’s electric system stands alongside two defining periods in our history: the original buildout of the grid during the turn of the last century, and the sweeping expansion that followed World War II. In each of those moments, the Empire State met a surge in economic growth and technological change with vision, investment, and a commitment to reliability.
Keeping the Lights on in Unprecedented Times: Looking Back at Sequestered Grid Operations During COVID-19
In March 2020, during the early days of the COVID-19 pandemic, people around the world were adjusting to the new normal of working at home. Meanwhile, 37 NYISO staff were adjusting to living – and sleeping! – at work.
Podcast Ep. 44: Wind and Solar Are Rising; Udayan Nair on What It Means for the Grid
Wind and solar resources are providing more clean, low-cost electricity to the grid than ever before, but the intermittent nature of renewable generation requires careful planning.
NYISO’s Grid Alert System Keeps New Yorkers Informed
As summer draws near, the NYISO’s grid alert system will be essential for keeping the public informed about operational changes to the bulk electric system.
Wholesale Electricity Prices Down as Weather Warms
Wholesale electricity prices have dropped considerably in New York after a particularly frigid winter which resulted in soaring demand and operational challenges resulting in the need for emergency procedures to operate the grid reliably.
VIDEO: New York Needs New Generation Now to Address Reliability Risk
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