Improving Availability Across a 450 MWh Operating BESS Portfolio

FlexGen combines remote technical support, performance engineering, spare parts, and field service to improve availability across three post-COD battery energy storage sites in ERCOT.

Reaching commercial operation is only the beginning for battery energy storage systems (BESS). Once operational, maintaining asset availability becomes an ongoing challenge as equipment failures, technical issues, and unexpected downtime can impact performance and revenue potential. The challenge goes beyond fixing individual faults; it requires identifying underlying issues and coordinating the right technical expertise and field support to improve availability over time.

FlexGen's Lifecycle Services brings together remote technical support, performance engineering, and hands-on field services to address operational challenges across battery energy storage assets. By combining technical insights with on-site expertise, FlexGen helped identify and resolve performance issues, contributing to an improvement of over 10% in average portfolio availability since the beginning of 2026.

What You'll Learn

• How performance engineering helps identify and address underlying issues affecting BESS availability.
• How remote technical expertise and on-site field services work together to resolve operational challenges.
• How a coordinated Lifecycle Services approach supports greater asset availability and long-term operational reliability.