Arizona Public Service smart meter at Mesa shopping center started recording voltage variations that old mechanical meter couldn't detect. Monthly voltage report showed supply voltage dropping to 110V during peak hours. APS found failing transformer and replaced it. Saved client about $800/month in power quality losses.
APS smart meter voltage monitoring caught transformer problem
Dominion Energy Virginia smart meters have voltage monitoring too. Found low voltage at my client's facility was causing motor inefficiency. Fixed voltage regulator and energy usage dropped 12%.
Entergy Arkansas smart meters caught voltage sags during summer peak. Old meters just measured usage but couldn't detect power quality issues. Smart meters provide much better diagnostics.
Smart meter voltage monitoring is a valuable feature that mechanical meters lack. Power quality issues can significantly impact energy costs and equipment life. Always review voltage data during audits.