Solar-Only vs. Solar + Battery Storage: Do You Really Need a Storage Battery?

Solar-Only vs. Solar + Battery Storage: Do You Really Need a Storage Battery? The solar industry has reached an inflection point. In 2025, the EU installed a record 27.1 GWh of new battery storage capacity – a 45% year-over-year increase. Spain saw behind-the-meter storage grow 65%, with 61% of new residential solar installations now including batteries. […]