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TelemetryLoop
Utility SCADA · Telemetry Field Notes
Live Grid Status
Updated just now
ERCOT
59.98Hz
Load: 71,842 MW
Reserve: 15.1%
Renewables: 32%
CAISO
60.01Hz
Load: 26,100 MW
Reserve: 22.3%
Solar: 41%
PJM
59.97Hz
Load: 89,211 MW
Reserve: 16.6%
Renewables: 19%
MISO
59.99Hz
Load: 68,433 MW
Reserve: 19.8%
Renewables: 28%
SPP
59.99Hz
Load: 43,102 MW
Reserve: 18.3%
Renewables: 35%
WECC
59.99Hz
Load: 128,770 MW
Reserve: 16.7%
Renewables: 28%
ISO-NE
60.00Hz
Load: 15,937 MW
Reserve: 21.4%
Renewables: 24%
NYISO
60.00Hz
Load: 17,685 MW
Reserve: 13.2%
Renewables: 18.9%
ALASKA
60.02Hz
Load: 1,109 MW
Reserve: 25.6%
Renewables: 11%
HAWAII
60.01Hz
Load: 630 MW
Reserve: 30.2%
Renewables: 67%
Grid Condition
STABLE
All Regions Normal
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SEL RTAC · DNP3 · Solar PPC Field Notes

What actually happenson the commissioning floor

SEL RTAC ST code, DNP3 point lists, Modbus poll failures, Power Plant Controller logic — written from real utility-scale jobs, for the engineers who debug them at 2 AM.

Real plants
Real schematics
Field tested
Utility grade
United States by ISO/RTO region — tap or click a state for details WECC CAISO SPP MISO ERCOT PJM NYISO ISO-NE SE NON-ISO ALASKA HAWAII
USGrid Map
10 ISO/RTO regions monitored in real time
~371 GW peak load · 60 Hz nominal · 7 ISOs with live EIA telemetry
Tap a state
Primary Tools
Browser-based · no install
SCADA &
Communications

DNP3, Modbus, IEC 61850, Point Lists, Networking

Open Tools →
Reactive Power &
Voltage Control

Cap Banks, SVR, Volt/Var, KVAR Calculations

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Grid Protection &
Automation

SEL-RTAC, PPC Logic, Sequence of Operations

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Inverter & Plant
Integration

Solar, BESS, Inverter Testing, Commissioning

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Telemetry &
Data Tools

Tag Browsers, Decoders, OPC, Historian Tools

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Field Notes &
Resources

Articles, Guides, Checklists, Lessons from the Field

Browse Notes →
SCADA
Troubleshooter

Step-by-step diagnosis for Modbus, DNP3, RTU, VPN comms failures

Open Tool →
Live Grid Overview
Frequency (Hz)
59.98Hz
09:0009:1509:3009:45
Total Load (MW)
372,215MW
09:0009:1509:3009:45
Reserve (%)
18.7%
09:0009:1509:3009:45
Renewables (%)
32.6%
09:0009:1509:3009:45