EV Symposium 27 June 2016 Realising an Electrified Future Challenges and Opportunities Greg Skelton, CEO Wellington Electricity www.welectricity.co.nz
Presentation Outline Improving on Health & Safety Harnessing EV Opportunities New Models for Business Questions
Company Overview Map of WELL Network Area South Island New Zealand Source: Gray Matters, WEDNL WEDNL WELL distribution network area North Island Natural Monopoly Service Provider WELL, owns & operates the electricity distribution network in the Wellington region of NZ Fourth-largest lines business in NZ Key operating statistics (2015): 4,684 km system length 166,967 customer connections 35 customers per km 2,344 GWh distributed in FY2015 62.2% of lines underground Regulated Asset Base ( RAB ) of NZ$570.0 million Highest network reliability in NZ 3
casual attitude to safety
1992 OSH Act Hazard Identification Workers
2015 HSW Act Consult, Cooperate, Coordinate Done with and not too Businesses Contractors Workers Risk Communication
Learning From Others 22 April 2010 TRUST WEDNL distribution network area TRUST & CHECK You are at your most vulnerable 7 when you feel the safest cu
NZ s International Advantage Renewables 7c 26c
NZ s Energy Mix Fossil Fuels Dominate 9
0:30 1:30 2:30 3:30 4:30 5:30 6:30 7:30 8:30 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30 17:30 18:30 19:30 20:30 21:30 22:30 23:30 MVA Bigger Wires ($) Back to the Future Energy Storage Energy Storage 1960s 1990 s Thermal power plants need consistent base load NZ developed Ripple Control for night load (energy storage) Cheaper tariff Electric Hot Water Cylinders. Night Store Heaters EV s are another night time energy storage appliance BUT our Business Models need to change (New Tech) 16 14 12 10 8 6 4 2 0 Residential Daily Load Profile Time 10
Clean Generation into Transport Fleets 11
Individual Initiatives Underway 12
Total Cost Operational Saving Clean Generation into Transport Fleets Petrol v EV Fleet Economics Petrol Fleet Electric Fleet Life Cycle 13
Community Initiative Sip & Shop PAK nsave PETONE WE provided two 7kW Chargers Installed behind the meter Pak n Save wired to their switchboard Ease of engagement with local owner Electricity no different to current petrol voucher giveaway Private Parking rules administered by Supermarket Initiative able to be replicated EV charging as a loyalty service Sipping is free service and supports home charging concept 14
Strategic Fast Charging Partners 3 2 5 2 Fast Chargers 50kW - 4 Planned Std Chargers 7kW - 10 in service - 5 planned Home Chargers 2kW - 150,000 opportunities 15
Electric Public Transport Infrastructure Replacement Wellington s Electric Trolley Bus Heritage 1920 s tram system adapted to supply a 1950 s Trolley Bus configuration = no fumes in CBD Service Contract 2007-17 Performance based contract to maintain a 550V DC supply system at a 95% availability level and then decommission equipment Timing opportunity for new technology investment 16
New PT Business Models Consult, Cooperate, Coordinate Local Government RISK ASSESSMENT Private Enterprise ENGAGEMENT Customers
Wrightspeed & Infratil Public Transport Fleet Transition ROUTE 500 Design 1 Fulcrum Turbine Generator 2 Geared Traction Drive units 250 hp, 500 hp Braking 40% max grade 80 100 kph max speed 45km EV (12kWh), unlimited on refuelling 74% reduced fuel consumption 18
Carbridge Sydney Airport BYD & Gemilang Coachwork 300km EV range Two 190kWh Iron-Phosphate battery packs 3hr charge at 130kW (3ph) 15hrs service at 1.3kW per km (laden) 84 cells per battery pack individual cell monitoring 8yr warranty (full replacement to 65%) Network Opportunity: Bus charging Battery second life (year 9 20) Data exchange for route charging 19
30 Buses Overnight Charged 20
0:30 1:30 2:30 3:30 4:30 5:30 6:30 7:30 8:30 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30 17:30 18:30 19:30 20:30 21:30 22:30 23:30 MVA Wellington Residential Load Profile 16 14 12 10 8 6 4 2 0 Variable c/kwh Fixed c/day Time 21
0:30 1:30 2:30 3:30 4:30 5:30 6:30 7:30 8:30 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30 17:30 18:30 19:30 20:30 21:30 22:30 23:30 Demand c/kw MVA Residential Example Storage Agnostic 16 Day PV stored to Customer 14 Battery. Battery 12 releases at Peak period. 10 Peak reduction. 8 Cost 6 Reflective Price Signal 4 PV Day PV to Storage Batt 2 EDB Value Added Service 0 (DNO) Time 22
0:30 1:30 2:30 3:30 4:30 5:30 6:30 7:30 8:30 9:30 10:30 11:30 12:30 13:30 14:30 15:30 16:30 17:30 18:30 19:30 20:30 21:30 22:30 23:30 MVA Demand c/kw Residential Example EV Night Charging Tariff 16 14 12 10 2 c/kwh (15c) 12 c/kwh (30c) 2 c (15c) 8 6 4 2 0 Fixed c/day Time 23
Cost Reflective Pricing = Full Market Coordination Signal: Efficient Energy Choice, Efficient Energy Use, Efficient Investment (Asset & Markets) Regulators Form of Control enable Distributors Business Models signal Retailers Open Information offers Customers Engage & Educate adapt
Flexible Resilience: Wrightspeed-BYD 25
Resilience Opportunity: Macaskill UPS 26
The Lost Opportunity
Unlocking Smart Storage