The journey to zero emissions starts here, within the energy sources used by major nations to provide electricity. The charts above are close-to-real-time views of the power grids in four big ...

Electric customers in Arizona and across the West could face a higher risk of blackouts and increased energy costs, after a ruling allowing California’s main grid operator to limit some electric power ...

In a dramatic policy shift, Tucson Electric Power says it will stop using coal to generate electricity by 2032 and will increase renewable energy’s share of its energy load to more than 70% by 2035.