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The Southampton (UK) District Energy Scheme
An Integrated Energy Scheme using Geothermal Energy
Introductions
Mike Smith
Non-Executive Director &
Public Sector Advisor
Cofely District Energy
Presentation
•Southampton,UK •Geothermal exploration and resource •Partnership with city council •Growth & expansion of the scheme •Network and consumers •Pump replacement •Future proofing
Southampton - location
City of Southampton – aerial view
Geothermal Resources in the UK
Wessex Basin
Southampton
Geothermal Aquifers
Wessex Basin
Geothermal Resources
Drilling Rig in City Centre
1800m of drill stem in Toys R Us Car Park !
Southampton Borehole - Geology
Triassic Sherwood Sandstone
The Well Head
Well Head – insulation and noise attenuation
Well Head in Toys “R” Us car park
The turbine pump
Lowering the pump into position
Geothermal wellhead & downhole
pump
How the pumping system works
Heat Exchanger
12 February 2010
Energy Centre in the heart of the city
Energy
Centre
12 February 2010
Consumer interface/meter
Buried Pre-insulated distribution mains
Centralised Heat Sources CHP, Boilers etc
The Southampton Energy
Centre
Southampton - A City Wide Sustainable Community
and
a partnership between
Southampton - an effective partnership
District Energy
Southampton - Key Features
• Largest commercially developed CHP/district energy scheme in the UK
• Started 25 years ago
• Built on Joint Co-Operation Agreement with Southampton City Council
• £5M Energy Sales
• £0.6M p.a. cost savings to consumers.
• 12,000 tons of CO2 emissions saved p.a.
• 8 MW of CHP, geothermal well, and 1 MW biomass in 2012
• Supplying heating, cooling and electricity
• 14 km pipe network
• Project built on 20 year energy supply contracts
• Capital cost to date £13M
12 February 2010
Commercial Arrangements
Works through a Joint Co-operation Agreement between City Council and Cofely The City Council commits to facilitate success of scheme by: • Taking heat where practicable • Promote scheme to potential users • Support development of network • Provide land for heat station • Treat Cofely as a statutory utility within city
12 February 2010
The 5.7 MW CHP Engine being delivered
-
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
0 1000 2000 3000 4000 5000 6000 7000 8000
Hours
kW
CHP output
Heat demand
Annual Heat Duration Curve
1MW Biomass Boiler
Southampton Energy Centre
12 February 2010
Network area
The Heating Network
Who do we serve ?
Consumers include:
Civic Centre
5 Hotels
Royal South Hampshire Hospital
Offices Complexes
Southampton Solent University
Olympic Size Swimming & Diving Complex
Entire 53 Acre West Quay Shopping Centre
Public and Private Sector Housing
……….. and many more
BBC TV Studios –
Heating 1990, Cooling 2000
The Civic Centre – The first consumer
Heating 1986, Cooling 2007
SCC, BBC & Solent University
Retail
53 Acre West Quay Shopping Centre & IKEA - heated & chilled by our scheme
The Quays Swimming and Diving Complex (including Olympic Swimming Pool)
Leisure
DeVere 5* Grand Harbour Hotel - Connected 1994 via 600m „energy link‟ - all heating and cooling from
scheme
Hotels
Barratt‟s Park View and the Dell developments
• both connected to the scheme
• circa 300 dwellings
• no flues/gas in dwellings
Housing
Independent Study on Customer Satisfaction and
Cost Effectiveness
Orien‟s Point - 400 bedrooms,
Key Worker Housing
New for 2010/11
Police HQ Regional Business Centre
New for 2013 West Quay Phase 3 – „Watermark‟
Associated British Ports - power
•Financing for Wartsila engine was based on 10 year Non Pooled Generation contract with PowerGen
•As contract reached end alternative options were explored
•Agreement reached with ABP for “private wire” link between port and Heat •Station
•Cable laid and energised in Spring 2009
•Circa 50% of supplies for port are now generated by SGHC
BBC TV Studio‟s
Parkview
RSH
Hospital
Civic Centre
Southampton Solent University
Skandia Life
DeVere
Hotel
Quays
West Quay The Heat Station
IKEA
Carnival
ABP
Piping heating & potentially cooling to buildings – “Energy Linking” Heat Losses - 1°C per km Reliability ~ 100% (99.98% for Southampton)
District Energy
Future Proofing - Integrating technologies
New technologies being actively considered:-
•Biomass – woodchip
•Energy from Waste
•Anaerobic Digestion
•Fuel Cells
...and several others
Pump replacement 2011
Geothermal Pump Extracted from 600m
Cofely District Energy
Manchester
Alexandra Park & Longsight Estates
Media City
South Coast Southampton Geothermal Heating Co
Eastleigh
West Midlands Birmingham District Energy Co
Berryfields Estate
Nationally – No.1 in District Energy ~ 35 MW of low carbon electricity generation
Operation & management of over 300 MW of boiler plant
and 50 km of district heating and cooling pipework
London
Olympic Park and Stratford City
Bloomsbury Heat & Power
Whitehall
Comet Square, Hatfield
Greenwich Millennium Village
Olympic Delivery Authority Energy Centres for London 2012
£100 million investment
40 year concession
16 km of energy network
2 energy centres
(district heating & cooling)
Contact
• Mike D Smith
• Non-Executive Director, Cofely District Energy and Public Sector Advisor
• E-mail: [email protected]
• Tel: +44(0)1425 475370
• Mobile: +44(0)7976 606858
• Web: www.cofely.co.uk
