The United States Government Accountability Office (GAO) recently completed and published a study on electricity grid cybersecurity that concluded that the Department of Energy (DOE) needs to ensure its plans fully address risks to electricity distribution systems.

The GAO completed two prior studies of the generation and transmission functions of the electricity grid and found

In the mountains near Ponce, Puerto Rico, after Hurricane Maria tore through, the terrain made it difficult to repair power lines that stretched from peak to peak. For over four months, the entire area was in the dark and so were its residents. In January, utility companies started using a new approach to restoring power: