As El Niño continues to influence weather patterns around the world, environmental conditions are shifting in ways that are not always uniform or predictable. Recent analysis from Solcast, a DNV company, highlights how solar resource patterns during 2026 have varied significantly across regions, with seasonal forecasts suggesting that some of these differences may persist while others remain uncertain, particularly across North America. [dnv.com]
While the specifics differ from region to region, the broader challenge is familiar to anyone responsible for critical infrastructure:
Environmental conditions are changing.
The question is how confidently we understand those changes. Whether you're responsible for utility-scale solar performance or the safety and mobility of transportation networks, resilience remains important. But resilience is often about recovery. Confidence is about knowing enough to act before conditions become consequences.
Environmental variability rarely arrives without signals. Seasonal climate forecasts, atmospheric observations, and long-term environmental intelligence help organizations understand where conditions may be heading, even when exact outcomes remain uncertain.
For solar professionals, that may mean understanding how cloud cover, aerosols, rainfall patterns, and irradiance may evolve throughout an El Niño cycle.
For road weather professionals, it may mean recognizing how precipitation patterns, temperature variability, visibility conditions, or winter weather risks may shift across transportation corridors.
In both cases, anticipating change begins with understanding the broader environmental context.
Forecasts provide direction. Measurements provide confidence.
The recent Solcast analysis demonstrated how actual solar resource during the first half of 2026 differed substantially from historical norms across many regions of the world. Those insights are possible because forecast expectations can be compared against high-quality environmental observations and measurements.[solcast.com]
This principle extends beyond solar generation.
For transportation agencies and roadway operators, environmental intelligence depends on understanding what is happening locally, not simply what models suggest may happen.
Ground-truthing environmental conditions through accurate field observations creates confidence in the data used for operational decisions.
Whether measuring solar irradiance, atmospheric conditions, pavement conditions, precipitation, or visibility, trustworthy observations help organizations distinguish between assumptions and reality.
When environmental conditions become more variable, decision-making becomes more consequential.
Solar operators may adjust performance assessments, maintenance planning, forecasting models, or operational expectations based on changing conditions.
Road weather professionals may adapt treatment strategies, traveler information, maintenance activities, or resource deployment as conditions evolve.
The specifics differ, but the objective remains the same: Make decisions based on a clear understanding of current conditions and emerging trends rather than relying exclusively on historical averages.
Confidence grows when organizations can connect forecasts, observations, and operational action into a continuous process of understanding and response.
One of the more interesting conclusions from the Solcast analysis is not limited to solar energy.
The report notes areas where forecast models show strong agreement and areas where uncertainty remains significantly higher, particularly across parts of North America. [dnv.com]
That uncertainty affects every organization operating in the physical world.
Solar operators, transportation agencies, hydrologists, meteorologists, and infrastructure planners all face the same underlying challenge:
Environmental conditions are becoming more dynamic. The organizations best positioned to navigate that uncertainty will not necessarily be those experiencing the most favorable conditions. They will be the ones with the highest confidence in understanding changing conditions as they occur.
Because in an environment defined by variability, confidence is not built on assumptions. It is built on understanding.
Read more about El Niño and finding confidence in the face of increased uncertainty.
More Than Resilience. Confidence.
Source: Solcast, a DNV company, "From first-half extremes to El Niño: the outlook for global solar resource in 2026," August 2026. [dnv.com]