1 © Alexis Kwasinski, 2012

Kitakyushu smart community

2 © Alexis Kwasinski, 2012

Kitakyushu smart community

3 © Alexis Kwasinski, 2012

Kitakyushu smart community

Nippon Steel

• Kitakyushu smart community:• Powered locally from the industrial area• Power distribution grid independent from the area’s electric utility distribution company (Kyushu Electric Power Company)• http://jscp.nepc.or.jp/en/kitakyushu/index.shtml.

4 © Alexis Kwasinski, 2012

Kitakyushu smart community• Peak power consumption of this area = 18 MW• Main power source: 30 MW from a natural gas generator at steel mill.

5 © Alexis Kwasinski, 2012

Kitakyushu smart community• The area has a few 3 kW wind generators.

6 © Alexis Kwasinski, 2012

Kitakyushu smart community• Most buildings and homes have PV systems.• Total peak power generated by PV = 0.5 MW

7 © Alexis Kwasinski, 2012

Kitakyushu smart community• Hydrogen produced in the industrial area is distributed with a 1.2 km pipeline for

•7 x 3 kW Toshiba residential fuel cells, • 3 kW hydrogen station • 100 kW fuel cell at a museum.

8 © Alexis Kwasinski, 2012

Kitakyushu smart community• Residential fuel cells

Deodorant and flow meter

Fuel Cell Hot water storage

9 © Alexis Kwasinski, 2012

Kitakyushu smart community• 200 homes have home energy monitoring systems.• 9 homes have home energy management systems.• 1 Building has a building energy management system.

10 © Alexis Kwasinski, 2012

Kitakyushu smart community• Dynamic pricing:

• Set a day ahead based on forecast for demand and for supply.

11 © Alexis Kwasinski, 2012

Kitakyushu smart community• The building energy management systems considers:

• Loads• PV• Energy storage (50 kWh Li-ion)• EV charging and discharging into the building

12 © Alexis Kwasinski, 2012

Kitakyushu smart community• EV fast charging (and discharging) station + 50 kWh Li-ion batteries.

13 © Alexis Kwasinski, 2012

Kitakyushu smart community• 300 kWh Lead-acid batteries

14 © Alexis Kwasinski, 2012

Kitakyushu smart community• This site is located at the “birthplace of Japan’s modern industry”• The historic blast furnace: