Optimizing Installed Capacity for Small Hydro on Ungauged Streams By Charles D. D. Howard, P. Eng....
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Transcript of Optimizing Installed Capacity for Small Hydro on Ungauged Streams By Charles D. D. Howard, P. Eng....
![Page 1: Optimizing Installed Capacity for Small Hydro on Ungauged Streams By Charles D. D. Howard, P. Eng. Sr. Advisor, Consultant cddhoward@entirety.ca.](https://reader030.fdocuments.us/reader030/viewer/2022032702/56649ca55503460f949671b5/html5/thumbnails/1.jpg)
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Optimizing Installed Capacity for Optimizing Installed Capacity for Small Hydro on Ungauged StreamsSmall Hydro on Ungauged Streams
ByBy
Charles D. D. Howard, P. Eng.Charles D. D. Howard, P. Eng.
Sr. Advisor, ConsultantSr. Advisor, Consultant
[email protected]@entirety.ca
![Page 3: Optimizing Installed Capacity for Small Hydro on Ungauged Streams By Charles D. D. Howard, P. Eng. Sr. Advisor, Consultant cddhoward@entirety.ca.](https://reader030.fdocuments.us/reader030/viewer/2022032702/56649ca55503460f949671b5/html5/thumbnails/3.jpg)
How Accurate is the Estimated Energy How Accurate is the Estimated Energy Potential?Potential?
Optimizing Installed Capacity for Optimizing Installed Capacity for Small Hydro on Ungauged StreamsSmall Hydro on Ungauged Streams
Is the site a good investment opportunity, Is the site a good investment opportunity,
or a risky venture?or a risky venture?
Charles D. D. Howard, P. Eng.
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How Accurate is the Hydrology?How Accurate is the Hydrology?
Suppose a Regression Approach is Used.Suppose a Regression Approach is Used.
Hydrology of Ungauged StreamsHydrology of Ungauged Streams
Charles D. D. Howard, P. Eng.
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Hydrology of Ungauged StreamsHydrology of Ungauged Streams
Prorate data from a nearby stream that Prorate data from a nearby stream that seems to be similar.seems to be similar.
Charles D. D. Howard, P. Eng.
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S and K Rivers, 1971
0
1
2
3
4
5
6
7
8
1 21 41 61 81 101 121 141 161 181 201 221 241 261 281 301 321 341 361
Day of Year
Dim
ensi
on
less
Dis
char
ge
K River
S River
Average
Charles D. D. Howard, P. Eng.
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Dimensionless Daily Discharge, 1971
y = 0.9821x + 0.0179
R2 = 0.8673Correlation Coef. = 0.9313
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
0.00 2.00 4.00 6.00 8.00
K River
S R
ive
r
Charles D. D. Howard, P. Eng.
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Energy production depends on how Energy production depends on how much of the streamflow will be used, much of the streamflow will be used,
and how much will be spilled.and how much will be spilled.
Energy from Ungauged StreamsEnergy from Ungauged Streams
Accuracy of the energy estimate Accuracy of the energy estimate depends on installed capacity.depends on installed capacity.
Charles D. D. Howard, P. Eng.
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Charles D. D. Howard, P. Eng.
Energy Comparison2 Mw Plant
0
500
1000
1500
2000
25001
21
41
61
81
10
1
12
1
14
1
16
1
18
1
20
1
22
1
24
1
26
1
28
1
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1
34
1
36
1
Day of the Year
Kil
low
att
-Da
ys
Regression
hydrology Measured
hydrology
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Charles D. D. Howard, P. Eng.
Annual Energy. Percent Errors
from Hydrology Regression
0
2
4
6
8
10
12
0.00 0.50 1.00 1.50 2.00 2.50 3.00
Average Annual Mw
Pe
rce
nt
Err
or
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Look into using the hydrologic model in IMPLook into using the hydrologic model in IMP
Optimizing Installed Capacity for Small Optimizing Installed Capacity for Small Hydro on Ungauged StreamsHydro on Ungauged Streams
Hydrology should not be “assumed”Hydrology should not be “assumed”
Hydrology is a basic requirement.Hydrology is a basic requirement.
Charles D. D. Howard, P. Eng.
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The Integrated Method for PowerThe Integrated Method for Power
IMPIMP
IMP considers:IMP considers:
•Elevation rangesElevation ranges
•Topographic differencesTopographic differences
•Climate differences with locations and elevationClimate differences with locations and elevation
•Forest cover and soilsForest cover and soils
Charles D. D. Howard, P. Eng.
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Thank you for listeningThank you for listening.
Charles D. D. Howard, P. Eng.