A recent audit of Nashville Electric Service (NES) found gaps in tree trimming that could increase the risk of power outages. Over 200,000 people were affected by January’s ice storm, and linemen worked tirelessly to restore power. NES says tree trimming is a key part of system reliability, but spending on vegetation management lags behind national averages. The utility says the budget has actually increased, though a vendor change may have affected costs. FOX 17 News has requested the full audi