5.4km Private line (electricity & communication)
Interconnected with utility grid at a single point.
Control error target: Within 3% every 6 minutes moving average
Demand: Seven building facilities, sewage plant Electricity: maximum 610kW at Hachinohe City hall, four schools and office building. Heat: 10GCal/day at Sewage plant
100kW lead-acid battery
510kW(170×3) biogas engines
Heat: 1.0t/h wood boiler and 4t/h gas boiler
Hachinohe, Aomori Prefecture, Japan