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Direct Utilization of Geothermal Energy from Coast to Coast:

World Geothermal Congress 2015 - Australia
by

Jasmin Raymond

on 26 September 2016

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Transcript of Direct Utilization of Geothermal Energy from Coast to Coast:

Jasmin Raymond -
jasmin.raymond@inrs.ca
Michel Malo
Denis Tanguay
Stephen Grasby
Faisal Bakhteyar

Direct Utilization of Geothermal Energy from Coast to Coast: a Review of Current Applications and Research in Canada
©B McKay
©M Henderson
Ground Source Heat Pumps
Hot Springs
9,984,670 km2
Population 35,344,962 (Stat Can, 2014)
GDP 1.9 G$ (Stat Can, 2014)
Energy 2,883 PJ/yr (Nat Ener Board, 2013)
www.huffingtonpost.ca
Ground Source Heat Pumps
Geothermal heat pump units installed in Canada from 1990 to 2013 (Tanguay, 2014)
2006 to 2008:
growth rate 40%/yr
2009:
peak installation 15,913 units
Increase in oil and gas prices
Financial incentives from governments

2010 to 2012:
downturn
Financial crisis
Decrease in oil and gas prices
End of many government incentives

2013:
Back to growth?
Ground Source Heat Pumps
Distribution of geothermal heat pump systems certified by the Canadian GeoExchange Coalition (CGC)
(CGC, 2012)
www.which.co.uk
Ground Source Heat Pumps
Installed capacity and energy used
Sale stats in residential eq.
Assumed
50 % replacements from 17y before

-
=
Σ
×14 kW
3.5 COP
3,000 hr/y
Hot Springs
Location of the commercially exploited hot springs (diamond) and thermal water (star) in Canada
1880’s:
Commercial exploitation of the hot springs began after First Nations
1841:
George Simpson (Hudson's Bay Company) visited Radium Hot Spring

Construction of bathhouses and hotels
1886
- Banff
1913
- Miette
1914
- Radium
©B & J Swift (Banff)
©A Durno (Miette)
Hot Springs
Commercially exploited
×
( - )
=
× ρc-water

All year
24/7
Research Contributions
Publications with “geothermal” in title, abstract or keywords having one or more Canadian affiliations
Scopus search
with “
geothermal
” in title abstract or keywords from 1990 to 2013:
18,616 scientific publications

Author affiliations
1- United States (4,928)
2 - China (1,766)
3 - Germany (1,166)
7 - Canada (765)

2003 to 2013:
Average growth of 12%/yr
Research Contributions
Ground source heat pumps
High impact research:

Lamarche and Beauchamp, 2007; 85 citations
Analytical solution
to simulate
ground heat exchangers

Bernier, 2001; 65 citations
Hourly simulation
procedures for ground source
heat pumps

Marcotte and Pasquier, 2008; 57 citations
Analysis of
in situ
thermal conductivity
tests
(Lamarche and Beauchamp, 2007)
(Bernier, 2001)
(
Marcotte and Pasquier, 2008
)
Research Contributions
Ground source heat pumps
Potential to reduce
GHG emissions
(Hanova and Dowlatabadi, 2007; Self et al., 2013; Younis et al., 2010)

Analytical solutions
to simulate systems (Lamarche and Beauchamp, 2007a, 2007b).

Algorithms to improve the rapidity of
hourly simulations
(Lamarche, 2009; Marcotte and Pasquier, 2008a).

Validity
of different
solutions
available for simulations (Marcotte and Pasquier, 2009; Marcotte et al., 2010; Philippe et al., 2009).

Methods to evaluate the
borehole thermal resistance
(Lamarche et al., 2010)

Thermal response tests
in ground heat exchangers (Marcotte and Pasquier, 2008b, Raymond et al., 2011a, b and c)

Geothermal
district systems
(Ozgener et al., 2004, 2005a, 2005b, 2006, 2007)

Geothermal potential of
flooded mines
(Hall et al., 2011; Jessop et al., 1995; Raymond and Therrien, 2008).

The
urban island heat
effect (Ferguson and Woodbury, 2004; Zhu et al., 2010)
Numerical system simulation at a flooded mine (Raymond and Therrien, 2014)
Research Contributions
Hot springs
High impact research:
Grasby et al., 2000; 48 citations
Chemical nature of the Canadian hot springs

Meteoric origin
, located
along
six
major thrust fault
(Grasby et al., 2000, Grasby and Hutcheon, 2001).

Geothermomethers
- circulation
depths
of
0.6 to 4.8 km
(Allen et al., 2006; Grasby and Hutcheon, 2001)

Numerical modeling
- depth
under estimated
by
30 %
(Ferguson et al., 2009)
Distribution of thermal springs (Grasby et al. 2011)
Conclusions:
Installed capacity
1,458 MWt
Energy used
11,388 TJ/yr
Publications
765

www.ncbg.unc.edu
Full transcript