NorthWestern Energy Group, Inc. · NASDAQ:NWE

NorthWestern Energy — ViZn Energy — Technical Presentation (2017)

13 slides from NorthWestern Energy's technical presentation, 2017

  1. Slide 1: Northwestern Energy Electricity Supply Resource Technology Forum

    Northwestern Energy Electricity Supply Resource Technology Forum T R A N S F O R M I N G E N E R G Y F O R E V E R

  2. Slide 2: Cheap, endless energy no longer comes from the ground

    Cheap, endless energy no longer comes from the ground $ ∞ ! 2016: Cost of Energy of Wind & Solar 2016: 132GW of New Wind and Solar Variable & Not Dispatchable Reduced 40% since 2013 Capacity Safe & Cost Effective Storage is the “Missing Piece” ViZn Confidential 2

  3. Slide 3: GAP

    GAP GAP GAP ViZn Confidential 3

  4. Slide 4: 20 Year Battery Life, 90 Design Iterations

    20 Year Battery Life Battery Stack Fielded Systems For >3 Years 27 Year Accelerated Testing • Over 1 million high frequency power switching cycles -> Over • 9 issued patents 27 years freq reg • 13 pending patents • Tested across complete State of • Megawatt years of • >250 claims Charge from 10% to

  5. Slide 5: Versatile Platform that is Intrinsically Safe

    Versatile Platform that is Intrinsically Safe 5

  6. Slide 6: CAPEX and OPEX Battery Assets

    CAPEX and OPEX Battery Assets • Lead time ~25-30 weeks to Operational • Battery CAPEX 2019 $450/kWh turn-key • $1.8M $/MW • 30MW/120MWh $54M • Battery OPEX O&M + Warranty $12k /MW • No Variable O&M cost, no duty cycle limitations in the warranty ViZn Confidential 6

  7. Slide 7: All-In 1st Cost System Estimates

    All-In 1st Cost System Estimates Capital Costs ES ESS Site Installation Battery Civil/Land Prep/Access Extended Warranty BOP Installation (Mechanical) Service Agreement Grid Tie Installation (Mechanical) Interconnection Installation (LV + MV) Aux - Rack, Container, HVAC, Fire General Conditions Rack

  8. Slide 8: CAISO EIM Ancillary Services Modeling

    CAISO EIM Ancillary Services Modeling Market Service Income Estimates ($/kW/Year) Low High Mean 1 SD Arbitrage $35 $65 $50 $21 Regulation $125 $225 $175 $71 Spin $45 $120 $83 $53 Capacity $100 $200 $150 $71 Savings onsite Reg $0 $100 $50 $70 • P50: 50% Chance Annual Revenue > the P50 values. • P90:

  9. Slide 9: Ancillary Services on Discharge

    Ancillary Services on Discharge ViZn Confidential 9

  10. Slide 10: Ancillary Services on Charge

    Ancillary Services on Charge ViZn Confidential 10

  11. Slide 11: Battery Diversity in NWE

    Battery Diversity in NWE Utility Ownership Wholesale Market Behind the meter (merchant) Customer side • T&D Deferral • Arbitrage from Day ahead • Retail bill savings (demand, • Ancillary service and real time markets, energy) value LMP trading • Demand Response • Avoided peak costs • Ancillary Servi

  12. Slide 12: ViZn… The Best Solution For a BIG Problem…

    ViZn… The Best Solution For a BIG Problem… • Building largest flow batteries in each location: North America, Central America, India & Europe • Low Capex ; Low Opex • 20 Years w/ zero fade • Power & energy services in one  up to 1.5X the $/MW/Y • >40% better T&D Utilization • Tier 1 partners  turn

  13. Slide 13: Thank You

    Thank You [email protected] 20 Year Batteries That Safely Deliver Unlimited Energy AND Power Services With ZERO Degradation

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