File:U.S. Electricity Production 2015.svg

Summary[edit]

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 bar graph showing the U.S.'s electricity production in 2015.
#
# https://www.eia.gov/electricity/monthly/
# https://www.eia.gov/electricity/monthly/epm_table_grapher.cfm?t=epmt_1_01
#
# 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/

# Renewable energy production in TWh.
petroleum_liquids = 17.456
petroleum_coke = 10.987
petroleum = petroleum_liquids + petroleum_coke

# Energy production in TWh.
data = [
("Coal", 1356.057),
("Gas", 1335.068),
("Nuclear", 797.178),
("Renewable\n(non-solar)", 271.885),
("Hydro", 251.168),
("Solar", 37.371),
("Oil", petroleum),
]

sources = [d[0] for d in data]
amounts = [d[1] for d in data]

# A formatter to display comma-separated numbers on the y axis.
def comma_func(x, pos):
	s = '{:0,d}'.format(int(x))
	return s

comma_format = ticker.FuncFormatter(comma_func)

# Make a bar graph.
x = numpy.arange(len(sources)) + 0.25
width = 0.5
pyplot.figure(num=1, figsize=(9,3))
pyplot.title("U.S. Electricity Production 2015")
pyplot.bar(x, amounts, width, color='gold')
pyplot.xlabel('Source')
pyplot.ylabel('Electricity (TWh)')
yticks = pyplot.xticks(x + width/2.0, sources)
pyplot.xticks(rotation='vertical')
pyplot.subplot(111).yaxis.set_major_formatter(comma_format)
pyplot.subplot(111).grid(b=True, axis='y')
pyplot.savefig('Chapter 7.US Electricity Production 2015.svg', format='svg', bbox_inches='tight')

Licensing[edit]

I, the copyright holder of this work, hereby publish it under the following license:

This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.

The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission. http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse