NorthWestern Energy — Technical Presentation (2018)

4 slides from NorthWestern Energy's technical presentation, 2018

Slide 1: Eastern Montana Technology Cost and Performance Assumptions
Nameplate Fixed O&M Variable O&M Net Heat Rate - Eastern Montana Fuel Capacity Design Life Capital Cost2 (Yr 1) (Yr 1)3 Winter (HHV)1 (Nominal) Technology (Type) (MW) (Years) ($/kW) ($/kW-yr) ($/MWH) (Btu/kWH) Combustion Turbine - Dry Cooling Simple Cycle 1x0 CT - 50 MW Frame NG 51.4 30 $1,361 $12.5
Slide 2: Western Montana Technology Cost and Performance Assumptions
Nameplate Fixed O&M Variable O&M Net Heat Rate - Western Montana Fuel Capacity Design Life Capital Cost2 (Yr 1) (Yr 1)3 Winter (HHV)1 (Nominal) Technology (Type) (MW) (Years) ($/kW) ($/kW-yr) ($/MWH) (Btu/kWH) Combustion Turbine - Dry Cooling Simple Cycle 1x0 CT - 50 MW Frame NG 48.1 30 $1,433 $13.1
Slide 3: 2018 Capital Cost Potential Cost Trends - Renewables and Storage
2018 Capital Cost ($/kW) Potential Cost Trends ‐ Renewables and Storage T AF R D Year Solar PV ‐ 100 MW Wind ‐ 100 MW Montana CAES ‐ 100 MW PHES ‐ 500MW BESS ‐ Li‐Ion 4 hr BESS ‐ Flow Battery 4 hr
Slide 4: 2018 Capital Cost Potential Cost Trends - Thermal
2018 Capital Cost ($/kW) Potential Cost Trends ‐ Thermal T AF R D Year Simple Cycle 1x0 CT ‐ 50 MW Frame Simple Cycle 1x0 CT ‐ 25 MW Aero. Simple Cycle 1x0 CT ‐ 50 MW Aero. Simple Cycle 1x0 RICE ‐ 18 MW NG Only