Batteries meet 25% of non-sunny power demand in California, Bulgaria
Ember examined how battery storage is turning solar power from a daytime-only resource into anytime electricity
Romania can connect 17% of planned renewables via its hydropower plants, bypassing gridlock
Ember calculated that 18% of planned wind and solar power across seven major hydropower markets in the European Union requires no extra grid capacity
EU solar boom cuts gas import costs by EUR 20 billion since Middle East war began
For the first month ever, solar power provided a quarter of EU electricity this June
Ember: Lack of grid capacity threatens EU’s energy security
The European Union's grids lack the capacity to connect new renewables and meet additional electricity demand
World adds record 814 GW of solar, wind in 2025
The world expanded its solar and wind power capacity by a record 814 GW altogether last year, or 17% more than in 2024, Ember found
Next generation geothermal challenging competitiveness of gas power plants
With its new solutions and falling costs, geothermal power can already replace 42% of EU coal- and gas-fired plant output, Ember found
Solar power has become dispatchable anytime at low cost
Ember’s assessment of energy storage costs is based on recent auctions in Italy, Saudi Arabia and India and on expert interviews
Record solar panel imports in Africa: a lifeline for a continent where 600 million people lack electricity
Half of Africa's population still lacks access to electricity, but record growth in solar panel imports could signal a turning point.