https://worldpowermonitor.com/blog/ Notes and analysis on electricity data, grids, fuel mixes and power markets from World Power Monitor. The latest, from 15 September 2026, is "The grids that cleaned up fastest, 2015 to 2025". en Tue, 15 Sep 2026 00:00:00 GMT https://worldpowermonitor.com/blog/carbon-intensity-biggest-falls-2015-2025/ https://worldpowermonitor.com/blog/carbon-intensity-biggest-falls-2015-2025/ Tue, 15 Sep 2026 00:00:00 GMT World Power Monitor carbon-intensity europe world Portugal cut the carbon intensity of its electricity by 69 per cent in ten years, the largest fall of any sizeable power system in Ember's annual data. https://worldpowermonitor.com/blog/solar-capacity-passes-coal-2025/ https://worldpowermonitor.com/blog/solar-capacity-passes-coal-2025/ Tue, 15 Sep 2026 00:00:00 GMT World Power Monitor solar coal world Ember's annual data for 2025 shows 2,391 GW of solar installed worldwide against 2,242 GW of coal, but coal still generated four times as much. https://worldpowermonitor.com/blog/us-electricity-prices-by-state-2025/ https://worldpowermonitor.com/blog/us-electricity-prices-by-state-2025/ Tue, 15 Sep 2026 00:00:00 GMT World Power Monitor united-states prices coal gas EIA data for 2025 shows households in Hawaii paid 40.6 cents per kWh and households in North Dakota paid 11.8, a gap of nearly three and a half times. https://worldpowermonitor.com/blog/world-electricity-mix-2025/ https://worldpowermonitor.com/blog/world-electricity-mix-2025/ Tue, 15 Sep 2026 00:00:00 GMT World Power Monitor world solar coal carbon-intensity Ember's annual data for 2025 puts coal at 33.1 per cent of world generation, with wind and solar together at 17.3 per cent, up from 4.5 per cent in 2015.