Understand the power
behind the grid.
Clear explanations. Worked examples. Then a chance to try it yourself.
What sets electricity prices? The merit order explained
Understand marginal pricing with a worked electricity-market example, and see why more wind can change dispatch without changing the clearing price.
Read the guide ↗Generation vs demand: why a region can still run short
Learn how local generation, imports, transmission limits and losses determine whether electricity demand is served, even when national capacity looks sufficient.
Read the guide ↗Battery and pumped-hydro storage: power, energy and losses
Understand GW versus GWh, storage duration and round-trip efficiency through worked battery and pumped-hydro examples in PowerLab Grid Operator.
Read the guide ↗How to calculate electricity CO₂ emissions and intensity
Calculate tonnes of CO₂ and g/kWh from a generation mix, avoid storage double-counting, and explore PowerLab’s emissions-reduction challenge.
Read the guide ↗How we write
PowerLab publishes evergreen explanations for energy students and curious operators. Worked examples use our documented, simplified models; broader background links point to primary public sources. Game costs, siting rules and accelerated economics are illustrative. Articles are published by PowerLab, without claims of independent expert review.