A presentation on the utilisation of gas engines for combined heat and power (CHP) on hospitals. This presentation provides an outline of the technology, along with diagrams of cost and carbon emission benefits.

3. Generation in Clarke
Territories – 2.8GWe

7. Savings in primary energy usage
Reduced transportation and
distribution losses across the network
Attractive life-cycle savings
Resilience of operation
Quick return on investment
Significant reduction in CO2
emissions
Overall efficiencies can exceed 90%
Flexible solutions to meet various
applications
Finance packages available
Tax relief from ECA’s and CCL

8. Greater Savings
Greater Running
Time
Sensitive Analysis
Safe Option
Oversized?
Jan Dec

9. 1.80 kWh loss
4.05 kWh
1.00 kWh electricity
1.25 kWh heat
Grid
Generation
Boiler
1.47 kWh
2.58 kWh
2.5 kWh
Primary
Energy
Supply 1.00 kWh electricity
0.25 kWh losses
1.25 kWh heat
CHP engine
0.520kg CO2
0.270 kg CO2
0.790 kg CO2
0.460 kg CO2
42% CO2
reduction
38% Primary
Energy
Savings

10. 2.08 kWh loss4.33 kWh
1.00 kWh electricity @ 8.42p/kWh
1.25 kWh heat
Grid
Generation
Boiler
1.47 kWh gas
@ 2.40p/kWh
2.86 kWh
2.5 kWh @
2.31p/kWh
Primary
Energy
Supply 1.00 kWh electricity
0.25 kWh losses
1.25 kWh heat
CHP engine
8.42p
3.53p
11.95p
5.78p
45% cost
reduction
Maintenance @ 0.84p/kWh
6.62p

12. Site Commission date Config. Engine
No. of
units
Total
MWe
Installed
Power type
Freemans Hospital Nov-97 JMS 612 2 3.0 Cogen. / CHP (Hot water)
North Tyne Hospital Mar-99 JMS 612 1 1.0 Cogen. / CHP (Hot water)
Western General Hospital Sep-99 JMS 320 1 1.0 Cogen. / CHP (Hot water)
Royal Victoria Hosptial Nov-01 JMS 616 2 4.0 Cogen. / CHP (Hot water)
Hartlepool Hospital Oct-03 JMS 420 1 1.4 Cogen. / CHP (Hot water)
Lincoln Hospital Dec-03 JMS 420 1 1.4 Cogen. / CHP (Steam)
Christie Hospital Nov-04 JMS 420 1 1.4 Cogen. / CHP (Hot water)
Broadgreen Hospital May-05 JMS 616 1 2.2
Cogen. / CHP (Hot water &
Steam)
Ormskirk Hospital Jan-06 JMS 320 1 1.1 Cogen. / CHP (Hot water)
Kingston Hospital Nov-07 JMS 420 1 1.4 Cogen. / CHP (Hot water)
Portsmouth Hospital Feb-08 JMS 612 2 3.3 Cogen. / CHP (Hot water)
Freemans Hospital Jul-08 JMS 420 1 1.4 Cogen. / CHP (Hot water)
University Hospital Wales Jan-09 JMS 616 2 4.4
Cogen. / CHP (Hot water &
Steam)
Pilgrim Hospital May-09 JMC 312 1 0.6 Cogen. / CHP (Hot water)
Guys Hospital Jun-09 JMS 620 1 3.0 Cogen. / CHP (Hot water)
St Thomas Hospital Jul-09 JMS 620 1 3.0
Cogen. / CHP (Hot water &
Steam)
Royal Preston Hospital Dec-09 JMS 612 1 1.8 Cogen. / CHP (Hot water)
Queen's Hospital Jan-10 JMS 312 1 0.5 Cogen. / CHP (Hot water)
Kings Cross College Hospital Jan-10 JMS 616 1 2.4 Cogen. / CHP (Hot water)
Kings Cross College Hospital Jan-10 JMS 612 1 1.8 Cogen. / CHP (Hot water)
Great Ormond Street Hospital Aug-11 JGMC 420 2 1.4 Cogen. / CHP (Hot water)
Musgrove Hospital Nov-12 JMS 208 1 0.3 Cogen. / CHP (Hot water)
Freemans Hospital On Order JMS 420 2 3.0 Cogen. / CHP (Hot water)
Barnsley Hospital
Pre-
Commissioning
JMS 416 1 1.1 Cogen. / CHP (Steam)

13. Client: Guys’ & Saint Thomas’
NHS Hospital Trusts
Commissioning: May 2009
2 x J620
6MWe & 5.5MWth
<3 Year Payback!
>£1.5m energy cost saving!

14. Client: NG Bailey
Commissioning: Aug 2011
1 x J420
1.4MWe & 1.4MWth
A particularly difficult install!
Container on the roof!

15. Client: Dalkia
Commissioning: May 2005
1 x J616
2.2MWe & 2.3MWth
£70m redevelopment to
improve services including
CHP!

16. Client: Dalkia
Commissioning: Nov 1997 &
Jul 2008
2 x J612 & 1 x J420
4.4MWe & 4MWth
2 replacement sets on order!

17. Client: Carillion
Commissioning: Feb 2008
2 x J612
3.3MWe & 2.7MWth
1.2MWth as hot water!
1.5MWth as steam!

19. Haydn Rees
+44 151 546 446
uk.sales@clarke-energy.com