Case Study

Toho Gas LNG Terminal Station

  • Major natural gas utility in Japan
  • 125kW & 300kW systems installed at LNG terminal station
  • Commissioning completed
  • Five-year follow-on installation forecast ≈ 75 systems

Application Form

Application InformationValueNote
Location NameToho Gas LNG Terminal in Nagoya, JapanFor reference.
Process GasNatural Gase.g., hydrogen, natural gas, nitrogen.
Turboexpander ConditionsValueUnitNote
Inlet Temperature (T1)45 (113)deg C (deg F)Temperature of inlet gas (after boiler / HEX).  C, F, K.
Inlet Pressure (P1)20 (290)bar-g (psi-g)Pressure of inlet gas (after boiler / HEX).  atm-g, bar-g, Pa-g, psi-g.
Volumetric Flow Rate28,000 (17,400)Nm3/hr (SCF/min)Provide average or range.  SCF/period @ 60-F & 1-atm, Sm3/period @ 20-C & 1-atm, Nm3/period @ 0-C & 1-atm.
Minimum Permitted
Outlet Temperature (T2)
 2 (36)deg C (deg F)Temperature of outlet (low pressure) gas (after PCV / turboexpander). C, F, K.
Outlet Pressure (P2)8 (116)bar-g (psi-g)Pressure of outlet (low pressure) gas (after PCV / turboexpander).  atm-g, bar-g, Pa-g, psi-g.
Capacity Factor (Uptime)85%Average process uptime during representative period.
Economic ParametersValueUnitNote
Electricity Rate0.16US$/kWh ☐ Retail rate (power to be consumed locally).
 ☒ Sell-back rate (power to be sold to utility).

Economics & Carbon savings

Wholesale Electricity Rate = $0.16/kWh*

For a 300kW FIT installation:

  • 2-yr, 3-mo Payback on capex
  • 1,750-ton/yr CO2e savings**

*Prices are estimates for purpose of this presentation

**From United States EPA’s Greenhouse Gas Equivalencies Calculator