What the future holds for UK core cities and heat networks

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What the future holds for UK
core cities and heat networks

What's it all about?
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
70.00%
80.00%
7.45%
UK share of
renewable energy
EU s...

What's it all about?
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
70.00%
80.00%
7.45%
UK share of
renewable energy
EU s...

Heat networks
Currently we
predict that
(2%) 540K of
homes are
using heat
networks

Heat networks
18% of UK homes to receive heat
from heat networks by 2050Currently we
predict that
(2%) 540K of
homes are
u...

Heat networks
18% of UK homes to receive heat
from heat networks by 2050
That’s 4.8 million homes!
Currently we
predict th...

What about the rest?
18%
Heat networks
The rest
Heat Pumps (water,
ground), Hydrogen?
Biomethane?
This does not include co...

What are the fuel sources?
Waste heat

What are the fuel sources?
Waste heat
Large scale heat
pumps (water
Ground)

What are the fuel sources?
Waste heat
Large scale heat
pumps (water
Ground)
Thermal storage

What are the fuel sources?
Waste heat
Large scale heat
pumps (water
Ground)
Thermal storage
Sewage

What are the fuel sources?
Waste heat
Large scale heat
pumps (water
Ground)
Thermal storage
BiomassSewage

What are the fuel sources?
Waste heat
Large scale heat
pumps (water
Ground)
Thermal storage
Biomass Waste to EnergySewage

How do we retrofit older gas houses?
Connecting old housing stock to
district heating. Can it be done?
Q

How do we retrofit older gas houses?
Sheffield case study
• Converted tower blocks to become heat networks
• 150 buildings...

How do we retrofit older gas houses?
Connecting old housing stock to
district heating. Can it be done?
Q It can – but on s...

How do we retrofit older gas houses?
Sheffield case study
• Converted tower blocks to become heat networks
• 150 buildings...

Customer perception of heat
Most customers do not associate heat with
CO2 emissions and pollution (NOx)

Customer perception of heat
Most customers do not associate heat with
CO2 emissions and pollution (NOx)

This isn’t the first time for the UK:
We've cleaned up heating before
Coal distributed by
cart across towns
and cities

This isn’t the first time for the UK:
We've cleaned up heating before
Coal distributed by
cart across towns
and cities
Smo...

This isn’t the first time for the UK:
We've cleaned up heating before
Coal distributed by
cart across towns
and cities
Smo...

This isn’t the first time for the UK:
We've cleaned up heating before
Coal distributed by
cart across towns
and cities
Smo...

District heating: The differences

Community heating

In practice:
How do we get ready for
heat networks?

But: Why are developers nervous?
Cost

But: Why are developers nervous?
Technology
Cost

But: Why are developers nervous?
Technology
Cost
Reputation

But: Why are developers nervous?
Technology
Cost
Reputation
Operations

But: Why are developers nervous?
Technology
Cost
Reputation
Operations
Natural monopolies

Cost comparison
Gas heating
Community heating
Domestic electric supply
for heat and hot water
Electric combi-boiler
Averag...

Reduce cost:
Total Cost of ownership
How do we
bring down
the cost?

Reduce cost:
Total Cost of ownership
How do we
bring down
the cost?
Good specification and design to
bring down CAPEX
1

Reduce cost:
Total Cost of ownership
How do we
bring down
the cost?
Good specification and design to
bring down CAPEX
1
De...

Reduce cost:
Total Cost of ownership
How do we
bring down
the cost?
Good specification and design to
bring down CAPEX
1
De...

Private wire networks
Especially on smaller schemes
Cost of administration
can be spread over
two fuels

Private wire networks
Especially on smaller schemes
Cost of administration
can be spread over
two fuels
Excellent way of
b...

Private wire networks
Especially on smaller schemes
Cost of administration
can be spread over
two fuels
Excellent way of
b...

Private wire networks
Especially on smaller schemes
Cost of administration
can be spread over
two fuels
Excellent way of
b...

Heat Trust and Regulation

Losses and overheating
• Reduce pipe runs
• Instant or Stored DHW?
• Insulation standards
• Ventilation
• Temperatures down

Demand duration curve

Return temperatures
Temperatures falling

Return temperatures
Temperatures falling
Focus on return
temperatures

Return temperatures
Temperatures falling
Focus on return
temperatures
Potentially moving to
tariffs penalising high
return...

Return temperatures
Temperatures falling
Focus on return
temperatures
Potentially moving to
tariffs penalising high
return...

Right sizing
Annual
consumption
Peak loads

Right sizing
Data from meters readily available
Annual
consumption
Peak loads

Right sizing
Data from meters readily available
Peak lopping
Annual
consumption
Peak loads

Right sizing
Data from meters readily available
Compounded safety margins
Peak lopping
Annual
consumption
Peak loads

Digitisation and optimisation
• Focus on end-to-end monitoring and
performance management of networks
• Digital twins buil...

Commissioning & adoption
• Longer commissioning periods
• CIBSE/ ADE CP1 compliance scheme
• Designer involvement for exte...

Getting the best value:
Benefits for residents
Stress-free
ownership

Getting the best value:
Benefits for residents
Stress-free
ownership
Safer home

Getting the best value:
Benefits for residents
Stress-free
ownership
Safer home
Low cost
heating

Getting the best value:
Benefits for residents
Stress-free
ownership
Safer home
Low cost
heating
Low carbon
energy

Getting the best value:
Benefits for residents
Stress-free
ownership
Safer home
Low cost
heating
Low carbon
energy
Automat...

Getting the best value:
Benefits for residents
Stress-free
ownership
Safer home
Low cost
heating
Low carbon
energy
Automat...

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