Posts tagged: forecasting
← Back to blogThe Irradiance Journey: From Space to Your Solar Panel in 8 Steps
Follow a beam of sunlight from the edge of Earth's atmosphere through scattering, absorption, clouds, and reflection until it reaches your tilted panel and becomes electricity.
Why Cloud Cover Is the Hardest Variable in Solar Prediction
Temperature is predictable. Sun position is calculable. But clouds? Clouds are chaos theory in action — and the single biggest source of solar forecast error.
Where Weather Forecasts Come From: NWP Models Explained for PV Owners
Your solar forecast is only as good as its weather input. Here's how numerical weather prediction models work, what they get right, and where they fall short for solar energy.
Physics-Based vs ML-Based Solar Forecasting — Why the Approach Matters
Two fundamentally different approaches to predicting solar production. One models the physics, the other learns from data. Here's why the distinction matters for your forecast.