US Power Grid Quality
Real-time voltage quality and outage risk by state
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National Average
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Voltage Quality
States Monitored
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Active Utilities
Average Risk
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Outage Risk (CPQI)
Last Update
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UTC Time
ACTIVE POWER OUTAGES DETECTED
0
Customers Without Power
0
States Affected
US Power Grid Interconnections
The US has 3 separate power grids that operate independently
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Eastern – 28 states, largest grid
Western – 11 states + parts of Canada/Mexico
ERCOT – Texas only, isolated grid
Eastern Interconnection60.000
Hz
Deviation: +0.000 Hz
States: 28
Western Interconnection60.000
Hz
Deviation: +0.000 Hz
States: 11
ERCOT (Texas)60.000
Hz
Deviation: +0.000 Hz
Isolated Grid
Grid Frequency Data: FNET/GridEye (University of Tennessee) | Normal: 59.95 - 60.05 Hz | Emergency: < 59.85 Hz
Grid Frequency History (24 Hours)
Eastern Interconnection
28 States
Western Interconnection
11 States
ERCOT (Texas)
Isolated Grid
Frequency data points every 15 minutes | Nominal: 60.000 Hz | Green zone: ±0.02 Hz
Best Performing Utilities
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⚠️ Utilities Needing Attention
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Regional Statistics
Northeast
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NY, PA, MA, CT, NJ
Southeast
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FL, GA, NC, SC, VA
Midwest
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IL, OH, MI, IN, MN
Southwest
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TX, AZ, NM, NV
West Coast
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CA, OR, WA
Mountain
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CO, UT, MT, ID, WY
Voltage Quality by State
Excellent (90%+)
Good (75-90%)
Fair (50-75%)
Poor (25-50%)
Critical (<25%)
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Utility Details
-- utilities
| State | Utility / Region | Interconnection | Voltage Quality | CPQI Risk | THD | Issues | Status |
|---|---|---|---|---|---|---|---|
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