NorthWestern Energy Group, Inc. · NASDAQ:NWE
NorthWestern Energy — Technical Presentation (2017)
6 slides from NorthWestern Energy's technical presentation, 2017
Slide 1: Solar Technology
Solar Technology 150+ Projects 1.3 GW North America and UK Operating Assets 3 Billion kWh 10 GW And Counting Operating |Construction |Pipeline STRICTLY CONFIDENTIAL. FOR INTERNAL PURPOSES ONLY. DO NOT COPY OR REDISTRIBUTE. 1
Slide 2: Solar - The Basics
Solar - The Basics EVOLUTION, DEPLOYMENT, DEVELOPMENT Evolution of Solar Cell Technology • Density energy production per square foot of solar cells increased over time • Reduction in error rates for solar cell technology has reduced, reducing the cost of solar cells • Refined installation procedures
Slide 3: Solar: Resource In The North
Solar MONTANA Resource In The North • Scotland, UK • Seasonal resource variability, summer vs winter • Not just an equatorial resource What solar offers • Energy as available • Paired with storage to offer capacity, capture ITC STRICTLY CONFIDENTIAL. FOR INTERNAL PURPOSES ONLY. DO NOT COPY OR REDIST
Slide 4: Solar + Storage
Solar + Storage AN EXAMPLE • When using energy storage, excess solar energy is stored within batteries before the energy is inverted from DC to AC. June - Boseman, MT 200 180 160 140 120 Production (MW) 100 DC-Coupling 80 60 40 20 0 0 5 10 15 20 Hour Energy from the battery is utilized when solar 20
Slide 5: Solar: Cost & Reliability
Solar COST & RELIABILITY Cost • Varies by site based on installation • Site preparation work • Interconnection • Improvement in inverter technology, voltage, size • Split between panels and balance of plant Reliability & Life • 35 year life • Degradation ~1% per year • Capacity factors in the low 20
Slide 6: STRICTLY CONFIDENTIAL. FOR INTERNAL PURPOSES ONLY. DO NOT COPY OR REDISTRIBUTE.
STRICTLY CONFIDENTIAL. FOR INTERNAL PURPOSES ONLY. DO NOT COPY OR REDISTRIBUTE. 6
NorthWestern Energy Group — Technical Presentation (2017) on 6ix