File:Japan Electricity Production 1980-2014.svg

The SVG file was produced using MatPlotLib with the following (also Public Domain) code.

#!/usr/bin/env python

from matplotlib import pyplot
from matplotlib import ticker
from matplotlib import numpy

# This generates a line graph showing the Japan's electricity production.
# Data from the EIA.  1980-2014.
#
# https://commons.wikimedia.org/wiki/File:Electricity_Production_in_Japan.svg
# https://tinyurl.com/eiajapan
# 
#
# This file was written by Douglas Perkins.
# It is released under a Creative Commons Zero 1.0 license.
#
# https://creativecommons.org/publicdomain/zero/1.0/

nuclear = [
(1980, 79),
(1981, 83),
(1982, 95),
(1983, 105),
(1984, 127),
(1985, 150),
(1986, 159),
(1987, 189),
(1988, 174),
(1989, 175),
(1990, 192),
(1991, 203),
(1992, 212),
(1993, 237),
(1994, 256),
(1995, 277),
(1996, 287),
(1997, 306),
(1998, 316),
(1999, 301),
(2000, 306),
(2001, 304),
(2002, 280),
(2003, 228),
(2004, 268),
(2005, 281),
(2006, 292),
(2007, 267),
(2008, 241),
(2009, 263),
(2010, 280),
(2011, 156),
(2012, 17),
(2013, 14),
(2014, 0),
]

non_hydro_renewable = [
(1980, 1.1),
(1981, 0.8),
(1982, 9.7),
(1983, 11),
(1984, 12),
(1985, 13),
(1986, 14),
(1987, 15),
(1988, 16),
(1989, 17),
(1990, 12),
(1991, 13),
(1992, 13),
(1993, 13),
(1994, 14),
(1995, 16),
(1996, 17),
(1997, 19),
(1998, 19),
(1999, 19),
(2000, 19),
(2001, 19),
(2002, 21),
(2003, 23),
(2004, 24),
(2005, 29),
(2006, 29),
(2007, 31),
(2008, 27),
(2009, 27),
(2010, 41),
(2011, 43),
(2012, 56),
(2013, 55),
(2014, 68),
]

hydro = [
(1980, 88),
(1981, 87),
(1982, 81),
(1983, 83),
(1984, 73),
(1985, 82),
(1986, 80),
(1987, 74),
(1988, 90),
(1989, 91),
(1990, 88),
(1991, 97),
(1992, 82),
(1993, 95),
(1994, 67),
(1995, 81),
(1996, 80),
(1997, 89),
(1998, 92),
(1999, 86),
(2000, 86),
(2001, 83),
(2002, 82),
(2003, 94),
(2004, 93),
(2005, 76),
(2006, 87),
(2007, 73),
(2008, 76),
(2009, 76),
(2010, 81),
(2011, 82),
(2012, 75),
(2013, 77),
(2014, 81)
]

fossil_fuels = [
(1980, 382),
(1981, 378),
(1982, 368),
(1983, 388),
(1984, 408),
(1985, 395),
(1986, 393),
(1987, 420),
(1988, 449),
(1989, 484),
(1990, 524),
(1991, 533),
(1992, 546),
(1993, 517),
(1994, 580),
(1995, 568),
(1996, 577),
(1997, 578),
(1998, 571),
(1999, 596),
(2000, 583),
(2001, 570),
(2002, 611),
(2003, 640),
(2004, 627),
(2005, 639),
(2006, 634),
(2007, 711),
(2008, 668),
(2009, 616),
(2010, 685),
(2011, 795),
(2012, 863),
(2013, 862),
(2014, 833),
]

years = [d[0] for d in nuclear]
p_nuclear = [d[1] for d in nuclear]
p_non_hydro_renewable = [d[1] for d in non_hydro_renewable]
p_hydro = [d[1] for d in hydro]
p_fossil_fuels = [d[1] for d in fossil_fuels]

# Make a line graph.
linewidth = 2.0
pyplot.figure(num=1, figsize=(9,5))
pyplot.plot(years, p_fossil_fuels, label="coal & natural gas", linewidth=linewidth)
pyplot.plot(years, p_nuclear, label="nuclear", linewidth=linewidth)
pyplot.plot(years, p_hydro, label="hydroelectric", linewidth=linewidth)
pyplot.plot(years, p_non_hydro_renewable, label="renewable (except hydro)", linewidth=linewidth)
pyplot.title('Japan Electricity Production')
pyplot.ylabel('Electricity (TWh)')
pyplot.xlabel('Year')
pyplot.legend(loc=0, prop={'size':12})
pyplot.subplot(111).grid(b=True, axis='both')
pyplot.savefig('Japan Electricity Production 1980-2014.svg', format='svg', bbox_inches='tight')

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