Solar Has Crossed a Critical Economic Tipping Point | OilPrice.com Leon Stille Leon Stille has a background in energy sciences (MSc and BSc) and is pursuing a PhD in energy policy. He currently runs his own company,… More Info Premium Content By Leon Stille – Aug 29, 2026, 4:00 PM CDT Solar now requires no more upfront capital than coal or gas to produce the same annual electricity, reversing a disadvantage that was as large as five-to-one a decade ago. Batteries and wider grid flexibility still add real system costs, but firm solar-plus-storage is already competitive with new fossil generation…