According to BNEF, battery pack prices for stationary storage fell to $70/kWh in 2025, a 45% decrease from 2024. This represents the steepest decline among all lithium-ion battery use cases and and makes stationary storage the cheapest category for the first time. While the pace of price decreases has slowed, lithium-ion battery packs have reached a new record low in 2025. According to the latest analysis by BloombergNEF (BNEF), prices have fallen 8% since 2024 to $108/kWh, making them 93% lower...