According to the CPUC, the air-crane helicopters used on the project have been involved in eight incidents, seven since June. The latest took place Monday, the dropping of a straw boom used to prevent erosion.
When the commission granted SDG&E permission to build the line, it retained authority to shut down construction activities.
The utility did not immediately respond to a request for comment.
Sunrise Powerlink will be a major transmission line to carry electricity from the Imperial Valley over the East County mountains to San Diego, providing another source of energy for the increasing power demands of a growing metropolis.
In a letter to the utility, the CPUC ordered the company to conduct a safety stand-down to review operations and safety procedures with all pilots and ground personnel, and conduct training sessions on rigging helicopter loads.
When those conditions are satisfied, the commission plans to let flights resume, but restrict helicopter operations only to areas where there is no road access.
The San Diego County unemployment rate remained steady at 3.3 percent between November and December despite a loss of 3,500 jobs.
A 6.3-magnitude earthquake struck offshore in Mexico's Gulf of California on Friday morning, but there were no immediate reports of damage.
Scattered showers and lower temperatures are in the forecast Friday for San Diego County with snow possible in the mountains at gradually lower elevations throughout the day.
Teachers in the Solana Beach School District, who have been without contracts for months, on Thursday pushed for new contracts, but the district is not backing down.
A Ramona man was arrested Thursday on suspicion of stealing tip jars from a half-dozen Poway businesses.
People who take their pets to Del Mar's dog beach wanted to know who planted the incredible garden there.
Local first-responders who put their lives on the line to help victims of the deadly Montecito mudslides were back home Thursday.
A man accused of stabbing a woman to death near an Encanto Park made his first court appearance Thursday.