Innovative Connections Scottish Renewables Conference 19th March 2014
Presented by Euan Norris Senior Project Manager, Future Networks Tel: +44 (0)141 614 1964 / + 44 (0)7753 623 933 Email:
[email protected]
Corporate Structure – Who Are We? Iberdrola
ScottishPower
ScottishPower Retail and Generation
ScottishPower Renewables
SP Energy Networks
Power stations
Onshore and Marine Projects UK
Management of electricity network
Electricity and Gas tariffs to customers
Offshore Projects Worldwide
Separate company, separate branding
SP Energy Networks Overview
• Distribution Assets - 3.5m connected customers - 16% of annual electricity bill - Host 28% of UK’s distributed renewable generation but only 14% of customer base
• Transmission Assets (Scotland) - 4% of annual electricity bill - 56% of Scotland’s transmission
connected renewable generation
Our Innovation Strategy
• Technology Innovation – Operating Our Network More • Dynamically Iberdrola Commitment to Innovation • Operational • €145M & Process Innovation – Driving Efficiency & Service Benefits • Proportion Of Investment Associated with Networks • Commercial Innovation – New Contractual Arrangements with • €50M Customers & Suppliers • SP Energy Networks Commitment •
£2M, Leveraging > £11M of Research & Development
Top-Down Active Network Management Access to Network based upon max generation/min demand analysis Transmission Network
120 MVA Limit 60 MVA Limit 132kV
Grid Supply Point
33kV Distribution Network Demand Min 10 MW – Max 36 MW 62 MW 48 MW 45 MW Unconstrained Constrained ANM Control 33kV 11kV
Primary
Demand 10 MW 9 MW Unconstrained
X MW ANM Control 11kV
LV Network
Local Demand Generation
1.8 MW FITs Database
Local Demand & Generation Linked to Reduce Export Capacity Impact
Managing Voltage Constraints
Primary Substation
Feeder 1
Generator is ~10km from Primary s/s
M
∿
750 kW Hydro, limited to 450kW due to volt drop
Active Network Solution
Communication Link Primary Substation Local Comms
Stage 2 Generator actively managed depending on wider network conditions to increase capacity further
OLTC
C/C
OLTC On Load Tap Changer LAC
Local ANM Controller
C/C
Central Controller
M
Measurement Point (V)
Feeder 1
Feeder 4 GPRS
GPRS LAC
Stage 1 Generator locally managed depending on real time voltage
M
∿ M
Furthest feeder
Development of Constraint Analysis Tool Front End Inputs
Customer Developer
Network Topology
Maps Server Open Street Maps/ARC GIS
Generator Location and Characteristics Curtailment Results
SPEN 33/11kV Network GIS
Models Coordination
Processing Core C++
Historical Data SQL Database
Network Models
Commercial Innovation Commercial Arrangements: • Non-Firm connection agreements -
Estimation of annual curtailment
-
No compensation for curtailment (Up front benefit banked!)
• Managing constraints across boundaries -
Agreement with the TNO and TSO to manage constraints created by distribution connected generation
• Investigating new community connections to encourage local demand or storage interaction
Conclusions
Improved access to connect generation to the network Accelerated the time to connect generation Enabled connections to be facilitated around constraints on the network Created an enduring process and learning that can be rolled out
Euan Norris Senior Project Manager, Future Networks Tel: +44 (0)141 614 1964 / +44 (0)7753 623 933 Email:
[email protected]
Thank You
