In a major step toward strengthening grid reliability, the ERCOT Board of Directors unanimously approved NOGRR272 and PGRR121 on September 22, 2025, establishing new Advanced Grid Support (AGS), also known as grid-forming, requirements for inverter-based Energy Storage Resources.
Check out our 30 kW/90 kWh cabinet! Perfect for demand regulation, peak shifting, and C&I energy storage, with a flexible split design and easy Individual pricing for large scale projects and wholesale demands is available.
Designed for DC/AC hybrid power, it supports direct connection to solar panels, battery packs, or AC mains, offering versatility for remote or off-grid locations.
Each Fortress Power system is designed to provide reliable backup power while maximizing financial incentives. Below, you'll find example setups showcasing different energy storage solutions, along with their estimated savings based on kW shared and upfront incentives.
The price of a 30kW solar system ranges between 60,000and60,000and90,000 before incentives. This includes panels, inverters, mounting hardware, and installation.
Standalone BESS projects as well as BESS coupled with renewable energy generation components – hybrid plants – are some of the most common resources being studied for interconnection today and will likely comprise a significant portion of the resource mix in the future.
According to BloombergNEF's recently published Energy Storage System Cost Survey 2024, the prices of turnkey energy storage systems fell 40% year-on-year from 2023 to a global average of US$165/kWh. The research firm said this was the highest annual drop since its survey launched in.
Energy storage systems are revolutionizing how we manage electricity, but their true potential is unlocked only when paired with the right inverter. Whether for solar farms, industrial facilities, or residential setups, adding an inverter transforms stored energy into.