IEEE Power Electronics Magazine - December 2016 - 42

by Krishna Shenai,
Ashok Jhunjhunwala,
and Prabhjot Kaur

Using solar
dc microgrids

A

ccording to a recent report by
the International Energy
Agency [1], although India
is the second most populous country on earth, it
ranks far behind other countries in
terms of per capita electricity consumption and carbon footprint. As
shown in Table 1, India is well below
the world average in both per capita
electricity consumption and carbon
footprint indices. However, with an
ambitious plan for rapid growth and
economic development, India is poised
to quickly increase its carbon footprint
and become a major contributor to
preventing global climate change.
India also ranks at the bottom of a
list of countries in terms of per capita residential electricity usage (see
Figure 1) [2]. This may be largely due
to other forms of energy being used
in Indian residences, as shown in Table 2 [3]. As India
develops, more rural areas are electrified, and more electricity will be used in residences in both urban and rural
settings. The average American or Canadian household in
2010 used about 40 times more electricity than the typical
Indian household and two to three times more than a typical European home. More than 65% of the electricity used
in Indian residential applications is consumed for heating/cooling and lighting (see Figure 2) [4]. Nearly 60% of
electricity is used to power motors in residential applications. In almost all major economies of the world, motors
invariably consume more than 60% of overall electricity
used. Unless energy efficiency and renewable energy

Electrifying
India

Digital Object Identifier 10.1109/MPEL.2016.2614905
Date of publication: 20 December 2016

42

IEEE POWER ELECTRONICS MAGAZINE

z December 2016

programs with a focus on increasing motor efficiency are
implemented simultaneously, not much progress can be
made in reducing the energy intensity of an economy.

What Is the Solution?
Today, electricity consumption accounts for more than 40%
of greenhouse gases in India. As India develops, the per capita electricity consumption is expected to increase rapidly,
and with all other human activities taking place, greenhouse
gas levels are likely to go up drastically. Realizing this grave
danger, the Indian government has taken important steps in
generating electricity from clean and renewable sources.
Today, among the alternate sources of energy, nuclear, solar,
and wind are preferred for conditions in India.
With the increased harvesting of green energy from
renewable clean sources comes the daunting challenge
2329-9207/16©2016IEEE



Table of Contents for the Digital Edition of IEEE Power Electronics Magazine - December 2016

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