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Location: North-eastern flank of Cleveland volcano, Alaska
Installation Date: September 2022 (AVERT project)
Instrumentation:
- Custom-fabricated, plywood-reinforced fiberglass enclosure (hut)
- 24-30 12 V absorbed glass mat (AGM) Pb-acid batteries (100 Ah each)
- Total capacity: 2400-3000 Ah
- Three 90 W solar panels
- 50 W wind generator
- Morningstar SunSaver MPPT-15 and SunSaver 10-L charge controllers
- TriStar MPPT wind-solar controller
Data Collection:
- Battery voltage monitoring (proxy for state of charge)
- Solar array input voltage
- Load current measurements
- Ambient temperature inside hut
- Power system performance tracking
Network Role:
- Provides power for AVERT super-site with dual hut configuration
- Supports multiple instruments: seismometer, magnetometer, cameras, weather station, DOAS, GNSS
- Demonstrates hybrid solar-wind power system performance
Site Characteristics:
- Located on the Islands of Four Mountains in the central Aleutian Arc
- “Open-vent” volcano with persistent gas plume
- Dual hut configuration for comprehensive monitoring
- Exposed to challenging weather conditions
Data Access:
- Power system status data available through AVERT monitoring systems
- Performance data used for system optimization
- Part of comprehensive volcanic monitoring network
Additional Infrastructure:
- Powers broadband seismometer
- Powers visible and IR cameras
- Powers 3-component fluxgate magnetometer
- Powers meteorological station
- Powers scanning DOAS sensor
- Powers GNSS antenna
- Part of AVERT super-site with dual hut configuration
System Performance:
- Average power draw: ≈8 W
- Capable of running for 3 months without charge input
- Wind generator contribution visible in mid-February 2023
- More stable during winter months due to snow insulation
- Demonstrates successful hybrid power system operation
