Nevada regulators approved NV Energy’s plan to convert its last coal-fired power plant to natural gas, while also allowing the company to move forward with a $1.5 billion, 400-MW solar-plus-storage project.

PJM is rejecting a study suggesting it could avoid extending the life of the Brandon Shores generator by installing storage and reconductoring several lines.

PJM proposed changes to how it measures and verifies the capacity contribution of energy efficiency resources, drawing concerns the RTO is moving too fast to implement changes ahead of the next capacity auction.

A new report indicates battery energy storage system failures are ramping up with the spread of the technology, and most often occur in new systems. 

FERC rejected preliminary permits for seven pump storage projects on Navajo land, saying it no longer will consider projects that are opposed by host tribes.

Quality control problems affect a sizable number of new energy storage systems, creating potential safety and performance risks, a new report indicates.

A recent study found that deploying 37 GW of long-duration energy storage could help bring California to zero emissions by 2045.

ERCOT stakeholders are moving closer to taking action on a tabled rule change that would address the reliability concerns with inverter-based resources.