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Challenges in integration of renewablesChallenges in integration of renewablesChallenges in integration of renewablesChallenges in integration of renewables
Regional wind power generation forecast for Germany and real Regional wind power generation forecast for Germany and real Regional wind power generation forecast for Germany and real Regional wind power generation forecast for Germany and real
observation dataobservation dataobservation dataobservation data
Role of Energy Storage in Renewable IntegrationRole of Energy Storage in Renewable IntegrationRole of Energy Storage in Renewable IntegrationRole of Energy Storage in Renewable Integration
Role of Electricity Markets in understanding the valueRole of Electricity Markets in understanding the valueRole of Electricity Markets in understanding the valueRole of Electricity Markets in understanding the value
�Provides price transparency to quantity value proposition of
Major projects include: CAES demonstration (NY and CA), Renewable Integration (CA, TX, NM), Peak
Shaving, Community Energy Storage and demonstration of new technologies.
Visit www.energy.gov for additional details.
Analyze.
Simplify.
Implement.
19
Case Study 2: Why Demand Response (DR)?
�DR can reduce marginal costs of peak production
� Especially the case where generators are paid market clearing prices
under uniform auctions
�DR of 5% can mitigate market power, and reduce
uneconomical investment in peaker units (as per studies)
� India has virtually no peaker units – we resort to load-shedding!
�DR might also manage variability in supply from renewables
such as wind and solar PV
Analyze.
Simplify.
Implement.
Load Profiles1
-Jan
13-J
an
25
-Ja
n
6-F
eb
18
-Fe
b
1-M
ar
13
-Ma
r
25
-Ma
r
6-A
pr
18
-Ap
r
30-A
pr
12
-Ma
y
24
-Ma
y
5-J
un
17-J
un
29
-Ju
n
11
-Jul
23-J
ul
4-A
ug
16
-Au
g
28
-Au
g
9-S
ep
21
-Se
p
3-O
ct
15-O
ct
27
-Oct
8-N
ov
20-N
ov
2-D
ec
14-D
ec
26
-De
c
S1S5
S9S13
S17S21
0
5000
10000
15000
20000
25000
30000
35000
MW
Days in Year
Hrs in
Day
Summer Months
Analyze.
Simplify.
Implement.
Short Run Marginal Cost Curve & Price Duration Curve
* This price duration curve shows only the wholesale energy prices corresponding to the generation component of customer’s electricity bill. T&D costs are added onto these wholesale energy costs.