POWER January 2017 - 21

Grid Corp. of China commissioned the world's first 800-kV UHVDC
line to export hydropower from the Xiangjiaba Dam in Sichuan
province to Shanghai, 1,980 km away. Later that year, Siemens
helped put up another 800-kV UHVDC line connecting Yunnan
and Guangdong over 1,418 km. At least three other 800-kV UHVDC
lines have since been commissioned in China: the JinpingSunan
line (2013), the Nuozhadu-Guangdong line (2013), and
the Xiluodu-West Zhejiang line (2014). Two UHVDC lines of 800
kV, the Northeast Agra line and the Champa-Kurukshetra, are also
under construction in India, slated for completion in 2017. This
September, Brazil and Uruguay commissioned a 500-kV, 420-km
interconnection transmission line linking Brazil's Candiota substation
to Uruguay's Melo substation.
Last June, meanwhile, ABB won orders to supply breakthrough
technologies for the world's first 1,100-kV line, the ChangjiGuquan
UHVDC link, which will transmit up to 12 GW of power
from the Xinjiang region in the northwest to Anhui province in
eastern China. ABB noted that the line offers a 50% increase
in transmission capacity compared to the 800-kV UHVDC lines
currently in operation, along with extending the transmission
distance from 2,000 km to more than 3,000 km.
Market Conditions Force Coal Unit
Closures in Australia, Germany
Difficult market conditions have accelerated the much-hyped closures
of a string of coal-fired power units in the U.S., but the
phenomenon is extending overseas, gripping plants in Australia
and Germany.
In the wake of the Paris agreement in December 2015, a num1.866.643.1010
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ber of governments have moved to phase out coal-fired generation.
This October, France, which gets a mere 3% of its power
from coal, said it would shut down all its remaining coal plants
by 2023. Then, in early November, Canada's Liberal government
announced a nationwide phase-out of coal power without car- bon capture and storage by 2030, though it later allowed the
province of Saskatchewan to keep running coal plants under an
equivalency agreement. The move echoed the UK's intentions,
announced nearly a year before, to shutter all unabated coal
power plants by 2025 and restrict their usage from 2023. Then,
in November 2016, Finland also announced a plan to phase out
all coal burning by 2030, noting that coal-fired power made up
about 7% of the Nordic country's generation in 2015. Finally, a
non-binding motion by the Dutch parliament in September 2016
to cut the country's carbon emissions 55% by 2030 has spurred
lawmakers to contemplate retiring five remaining coal units in
the Netherlands.
In addition to these policy shifts, coal plants are also sufZERO
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fering economically in several countries, forcing their premature
retirement.
In November, French firm ENGIE, which has publicized a strategy
to gradually end its coal activities, announced it would close
the 1.6-GW Hazelwood coal generating station (Figure 5) and an
adjoining mine in Victoria, Australia's most densely populated
state, by the end of March 2017. Among the reasons for its decision
to shutter the plant are that it has been operating in " difficult
market conditions with lower electricity prices and a surplus
of electricity supply " in Victoria.
According to a market insight report published in November
by the Australian Energy Market Operator (AEMO), the plant accounts
for about 14% of total firm capacity in Victoria, and 4%
of total firm capacity installed in Australia's National Electricity
Market. But because Victoria's generation exceeds the needs of
the region, Hazelwood's closure will serve only to reduce surplus
January 2017 | POWER
www.powermag.com
21
5. End of an era. The 1.6-GW Hazelwood power plant in Australia's
southeastern state of Victoria has produced power from coal,
extracted from an adjoining mine, since the 1960s. Owner ENGIE in
November announced the plant would close at the end of March 2017,
citing a strategy to end its coal activities globally. However, it also noted
that the station has been operating in " difficult market conditions,
with lower electricity prices and a surplus of electricity supply in Victoria
State. " Courtesy: ENGIE
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POWER January 2017

Table of Contents for the Digital Edition of POWER January 2017

Contents
POWER January 2017 - Cover1
POWER January 2017 - Cover2
POWER January 2017 - Contents
POWER January 2017 - 2
POWER January 2017 - 3
POWER January 2017 - 4
POWER January 2017 - 5
POWER January 2017 - 6
POWER January 2017 - 7
POWER January 2017 - 8
POWER January 2017 - 9
POWER January 2017 - 10
POWER January 2017 - 11
POWER January 2017 - 12
POWER January 2017 - 13
POWER January 2017 - 14
POWER January 2017 - 15
POWER January 2017 - 16
POWER January 2017 - 17
POWER January 2017 - 18
POWER January 2017 - 19
POWER January 2017 - 20
POWER January 2017 - 21
POWER January 2017 - 22
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POWER January 2017 - 24
POWER January 2017 - 25
POWER January 2017 - 26
POWER January 2017 - 27
POWER January 2017 - 28
POWER January 2017 - 29
POWER January 2017 - 30
POWER January 2017 - 31
POWER January 2017 - 32
POWER January 2017 - 33
POWER January 2017 - 34
POWER January 2017 - 35
POWER January 2017 - 36
POWER January 2017 - 37
POWER January 2017 - 38
POWER January 2017 - 39
POWER January 2017 - 40
POWER January 2017 - 41
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POWER January 2017 - 53
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POWER January 2017 - 63
POWER January 2017 - 64
POWER January 2017 - Cover3
POWER January 2017 - Cover4
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