🛰️ GridShield™ Satellite Monitoring Configuration
Multi-Sensor Earth Observation for Critical Infrastructure Protection
📍 Region: Philippines
Monitoring Cadence
Vegetation (NDVI)
Every 7 days
InSAR Displacement
Every 30 days
Land Surface Temp
Every 2 days
Sea Surface Temp
Every 2 days
Lightning Detection
Real-time
Wind Analysis
Every 6 hours
Satellite Datasets & Products
Sentinel-2 (ESA Copernicus)
NDVI – Normalized Difference Vegetation Index
| Spectral Bands | B8 (NIR) B4 (Red) |
| Spatial Resolution | 10 meters |
| Purpose | Vegetation encroachment detection along transmission corridors |
| Change Detection | ✅ Enabled |
| Alert Status | Enabled |
⚠️ Alert Triggers
• NDVI Growth Rate:
> 0.15 per 7 days
• Encroachment Distance:
< 5 meters from ROW
Sentinel-1 (ESA Copernicus)
InSAR Displacement – Interferometric SAR
| Mode | Interferometric (repeat-pass) |
| Spatial Resolution | 10-100 meters |
| Purpose | Ground displacement detection near substations and transmission ROW |
| Alert Status | Enabled |
⚠️ Alert Triggers
• Displacement Rate:
> 5 mm/month
• Asset Buffer Zone:
500 meters
Sentinel-3 (ESA Copernicus)
LST – Land Surface Temperature
| Purpose | Temperature extremes monitoring for transformer stress analysis |
| Alert Status | Enabled |
⚠️ Alert Triggers
• Temperature Anomaly:
> 5°C above baseline
• Duration:
3 consecutive days
SST – Sea Surface Temperature
| Purpose | Coastal weather influence monitoring |
| Alert Status | Disabled |
Sentinel-5P / ERA5 (ESA Copernicus + ECMWF)
Atmospheric Humidity
| Purpose | Insulation degradation risk proxy monitoring |
| Alert Status | Enabled |
⚠️ Alert Triggers
• Humidity Percentile:
> 95th percentile
• Temporal Window:
48 hours
Wind Analysis
| Data Source | ERA5 Reanalysis |
| Purpose | Wind damage risk assessment for overhead lines |
| Alert Status | Enabled |
⚠️ Alert Triggers
• Wind Gusts:
> 20 m/s
• Sustained Winds:
> 12 m/s
Lightning Detection Network
Strike Density Analysis
| Data Sources | GLM WWLLN Local Provider |
| Purpose | Transient overvoltage risk assessment |
| Alert Status | Enabled |
⚠️ Alert Triggers
• Strike Threshold:
> 5 strikes
• Detection Radius:
10 km
• Temporal Window:
3 hours
Risk Scoring Model
🎯 Metric Weights
🎚️ Risk Classification Thresholds
Low Risk
< 0.20
Medium Risk
0.20 – 0.50
High Risk
0.50 – 0.75
Critical Risk
> 0.75
Output Products & Delivery
📊 Risk Maps
| Format | GeoTIFF PNG STAC |
| Frequency | Daily |
🚨 Real-Time Alerts
| Delivery Methods | API Email Ticketing |
Severity Mapping:
- ✅ Low →
info - ⚠️ Medium →
warning - 🚨 High →
critical
💾 Data Storage & Catalog
| Feature Store | s3://your-bucket/pq-satellite-features/ |
| Metadata Catalog | STAC (SpatioTemporal Asset Catalog) |
📋 Implementation Notes
⚙️ Calibration Required: All threshold values should be calibrated with local power quality logs and maintenance records to optimize alert accuracy and minimize false positives. Adjust parameters based on historical correlation analysis between satellite indicators and actual power quality events.
Key Features of this Implementation:
- Year-over-Year Trend Analysis:
- Interactive charts showing environmental factors and power quality metrics from 2020-2025
- Trend indicators with visual cues for increasing/decreasing patterns
- Correlation Analysis:
- Scatter plots with regression lines showing relationships between environmental factors and power quality issues
- Interactive controls to explore different factor combinations
- Technical Recommendations:
- Specific recommendations for Grid Infrastructure, AVR, and UPS systems
- Detailed technical specifications based on trend analysis
- Justifications tied to observed environmental changes
- Comprehensive Data Comparison:
- Detailed tables showing YoY changes with trend analysis
- Percentage changes and visual trend indicators