Civil Engineering Reference
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Fig. 6 Peak shaving strategy using storage at household level [
10
]
2.3.1 Electrical Energy Storage
PV systems are not producing during the evening peak consumption (Fig.
6
). This
is especially the case at the household level, where the daily peak consumption is at
around 20:00.
To achieve a cost-effective PV deployment in household systems, the optimized
strategies to solve the problem of peak production and/or consumption will have to
be implemented using smart metering measures and/or storage at the household
and/or local level.
Electrical energy storage (EES) can play many roles in the system, including:
Storage can act as a Distributed Energy Resource (DER) by providing electricity
and competing with other technologies based on cost and depending on
application.
Energy shifting of Variable Renewable Energies (VRE), increases the capacity
factor of the system by displacing the excess production when there is high
demand and low production, especially during peak consumption (e.g., evening
hour-peak shaving).
Storage can smooth load curves and enable the customer to shift its peak loads.
This is also known as arbitrage or load leveling and generally implies that the
storage unit is being charged at off-peak times and discharged at peak times
when the load is higher.
who
attenuates smoother load curves with no peaks and ramps, making changing
demand constant and transforming it in
In this case the energy management system can be the
“
ideal supplier
”
“
”
.
Storage solutions with relatively high discharge duration and high capacity are
best suited to these applications, are shown in Fig.
7
.
ideal consumer
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