1. Local energy, storage and sharing in Sydney
Nik Midlam
City of Sydney

2. Bujari gamarruwa

3. About Sydney 26.15 km sq. Economic hub and tourism gateway
1.2 million people daily, 20,000 businesses, 210,000 residents
7% national economy, 22% NSW
Net-zero by 2050 target
50% renewables by 2030

4. Energy & emissions are falling… for now

5. 1 per cent solar 1% of roof area + 1% of annual load
6-7MW solar to date
400MW potential
1,500MW peak load

6. C40 – City Solutions Platform
City to invest upwards of $10M
The aims are:
More renewable energy, sooner
Link residents and businesses
Count toward City targets
Simply investing in a project would make small contribution
Solution(s) sought which make best use of funding
Work with industry and customers to procure a solution that works.

7. What might a solution look like?*
Competitive / attractive
Easy to explain
Readily deployable
Beyond business as usual * *
Drivers
Environmental values
Political/community values
End-user control
Cost & hedging
Flexibility
Branding
Transparency
Barriers
Space (btm)
Cost paid/sold
Contract tenure
Complexity
* City role?
Source: Low Carbon CRC – Facilitating End User Deployment of Off-site Renewable Generation RP1032 : bit.ly/2g16I5n

8. So just how do we make this easy?
These 7 decisions give rise to 288 possible procurement structures (and for offsite only).
Source: Low Carbon CRC – Facilitating End User Deployment of Off-site Renewable Generation RP1032 : bit.ly/2g16I5n

9. Meanwhile…

10. Stucco 30kW Solar+ 43kWh battery storage and embedded networks
Australian first in a multi-unit residence
Overcame classic split incentive
80% local renewables, 20% lower student bills, 5% co-op returns
40+ residents (full time students)
The Good
Low energy use (~90 kWh/day)
Great solar resource (>40 kW)
The Bad
Little daytime demand
Apartment block
Renters
Trina (120kWh/day average)
Enphase (40kWh usable)
Unit submeters
1 main meter
Technical barriers – fireproofing
Regulatory barriers – embedded network & retailer exemptions
Heritage barrier
Cost barrier - $110k legals

11. Sydney Renewable Power Co
Sydney Renewable Power Company
520kW
International Convention Centre
Public company limited by shares

12. WWF Renewable Buyers Forum
Aggregate load
Identify projects
Link customers to project(s)
Power and/or renewable certificates
Price hedge

13. Climate Positive Barangaroo
Climate Positive C40 initiative
22 hectare $9B redevelopment
Efficiency first (carbon budgets)
100% onsite renewables for public domain
100% offsite renewable certificates funded through estate levy
NSW Govt owned – 99 year lease

14. Pingala Cooperative model 30kW at Young Henrys brewery
Shares sold out in 9 minutes
Funds raised install solar
Solar lease to businesses repays investors and Pingala

15. Alexandria Depot 500 kWh battery - Tesla Power Pack
Peak discharge 250 kW
480 kW PV
Potential make building carbon neutral over year.
Transgrid to test battery network supply during peak periods.

16. City of Sydney solar (1.5MW)

17. Can technology save the planet?