Low energy cloud computing needs during a disaster
Solar power can drive many of these computing options indefinitely.
Computer may only be needed a few hours per day.
Run computers with Computer Power Management enabled including S3 sleep or hybernate options turned on.
- Chromebook = 15 watts
- Laptop = 25 watts
- Internet Tablet with optional 3G = 3 watts
- Smartphone = less than 1 watt
- Smartphone with wifi hotspot on = 5 watts
- ADSL router with Wifi supplying many computers = 12 watts
- Fibre router plus small network switch = 20 watts
Solar Power Battery Calculator
Use to work out solar requirements.
Solar Panels - Solar Regulator - Battery - 12 Volt power supplies
Another power supply option is to have an inverter and then a powerboard to supply essential equipment.
Larger solar power systems can have automatic switching from mains to solar to generator.
Modern solar batteries can store 14 kWh. This can supply power to a small premesis overnight.