So far in 2025, 40% of new residential solar installations were paired with storage, as changes to incentive programs and net metering structures have encouraged customers to use batteries to more optimally manage their PV system's generation. There are now 262 gigawatts direct-current of solar capacity installed nationwide, enough to power 45 million homes. In the last decade, solar deployments have experienced an average annual growth rate of 28%. Strong federal policies like the solar Investment Tax Credit (ITC), rapidly declining. The total proportion of home solar installations that include extra services has regressed since 2023, indicating that homeowners could be less willing to spend money on add-on items like energy storage, oversized solar systems, and additional solar on existing installations. Solar ESS allows users to store excess energy generated during daylight hours for later use, effectively balancing energy. To support ecologically responsible solar deployment, Argonne National Laboratory developed a camera powered by artificial intelligence to see how birds interact with solar panels.
[PDF Version]
So far in 2025, 40% of new residential solar installations were paired with storage, as changes to incentive programs and net metering structures have encouraged customers to use batteries to more optimally manage their PV system's generation.
How many battery energy storage systems were installed in Europe in 2024?
21.9 GWh of battery energy storage systems (BESS) was installed in Europe in 2024, marking the eleventh consecutive year of record breaking-installations, and bringing Europe's total battery fleet to 61.1 GWh. However, the annual growth rate slowed down to 15% in 2024, after three consecutive years of doubling newly added capacity.
Through Q1 2024, the top corporate solar users in America have installed nearly 40 GW of solar capacity, along with over 1.8 GWh of battery storage. Other key takeaways:
Why are solar and storage so important?
Solar and storage have become the backbone of new electricity infrastructure in the U.S. Combined, these technologies have represented 85% of new capacity added this year. Solar's increasing competitiveness against other technologies has allowed it to quickly increase its share of total U.S. electrical generation.