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This should get amplified in the coming years to Pumped storage provides various grid services such as
visualise a perceptible change in the energy sector reactive power support, frequency control apart from
demography. It is expected that investment from black-start capabilities. Hence, it becomes the preferred
significant Oil and Gas companies will increase tenfold large-scale energy storage solution for ensuring grid
from 2020 to 2050 . stability with increased renewable penetration and can
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act as a catalyst in the global energy transition.
As per IEA’s Market Update on Renewables, Nov 2020
renewables used in electricity generation has shown Better power system flexibility can be achieved by
resilience during Covid and is poised to grow by integrating battery energy storage with renewables,
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7% by the end of the year . Renewable equipment in addition to other benefits such as better ramp rate,
manufacturers and developers have seen better growth energy shifting, investment deferral in any distribution
in their share value than their other energy sector system, etc. According to a report by Rocky Mountain
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counterparts . This is commendable considering the Institute, battery storage is expected to enable
present economic uncertainties related to covid and renewables penetration of 16 to 20% by 2025 6
has only reinforced the investors’ faith in the renewable
sector. Along with renewables, necessary focus needs to be
given to improving the energy efficiency of existing
2500 assets, which will help in reducing the CO emissions
2
Wind and PV and electrification of many end-use applications,
2250 including transportation segment.
Coal
Natural gas Transportation:
2000
Light vehicles emit greenhouse gases and also cause
1750 air pollution, smog and other health-related issues.
Though with improved emission norms, it has reduced;
1500 still, there is much ground to be covered.
Hydropower
1250 Globally, the light vehicle population is poised to
increase from 1 billion as on date to about 2.5 billion
by 2050, resulting in a tripling of energy utilisation and
1000
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2019 2020 2021 2022 2023 2024 2025 corresponding CO emissions . Significant disruption
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is required in the transportation sector to shift to a
Figure 2: Total projected Installed Power Capacity by fuel and Technology cleaner and low emissions trajectory to achieve the
2019-2025 5
global targets on air quality and CO emissions.
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By 2025, it is not only predicted that the renewable To reduce the CO emissions from this sector, switching
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capacity additions will be 95% of the total reserves to electrification through battery-powered Electric
but also that renewables will surpass coal to become Vehicles (BEV) and Hydrogen Fuel Cell powered Electric
the largest source of electricity. Hydropower would Vehicles (FCEV) are the options going forward. It is
continue to supply half of the renewable power opined that BEVs will be more economical for the light
followed by Solar and Wind. vehicle segment while there is a need to go in for FCEVs

Unlike dispatchable Hydropower, Solar and Wind for long-distance, heavy vehicle segment. Further
need to be complemented by energy storage systems discussions in this article are limited to BEVs (EVs).
to provide continuous power supply. Hence, energy According to the International Energy Agency, limiting
storage systems such as Pumped storage and Battery the global temperature increase to less than 2°C will
energy storage system play an essential role in the require at least 20% of all road transport vehicles be
energy transition by not only supporting renewables electrically driven by 2030 (approximately 300 million
reach the desired levels but also in maintaining grid vehicles) .
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stability.

6 https://science.thewire.in/economy/energy/can-battery-storage-propel-indias-energy-
transition/
7 UN environment programme https://www.unenvironment.org/explore-topics/
5 IEA Renewable Market Update, 2020 transport/what-we-do/electric-mobility/electric-light-duty-vehicles

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