Table 11.4 Puerto Rico- Average Price of Electricity to Ultimate Customers:
by Sector, 2009 through 2019 (Cents per Kilowatthour)

Period Residential Commercial Industrial Transportation All Sectors
Annual Totals
2009 19.68 20.91 16.73 -- 19.78
2010 21.80 23.26 19.01 -- 22.06
2011 26.54 28.11 23.39 -- 26.82
2012 24.96 29.34 25.89 -- 27.23
2013 25.84 27.59 22.77 -- 26.29
2014 26.31 27.33 23.18 -- 26.39
2015 20.31 21.55 17.71 -- 20.57
2016 17.93 19.57 15.83 -- 18.47
2017 22.26 22.72 19.70 -- 22.16
2018 20.73 23.08 19.04 -- 21.68
2019 21.43 22.90 20.51 -- 22.03
Year 2017
January 22.10 21.89 18.77 -- 21.60
February 25.09 24.84 20.48 -- 24.33
March 21.46 21.69 17.76 -- 21.06
April 22.16 22.89 18.43 -- 21.99
May 22.66 23.27 19.03 -- 22.48
June 21.69 21.91 18.18 -- 21.35
July 22.01 22.62 18.43 -- 21.82
August 22.62 23.17 18.91 -- 22.42
September 19.36 19.90 16.35 -- 19.18
October 37.23 20.39 40.29 -- 22.36
November 45.99 20.27 53.04 -- 23.39
December 21.07 31.94 24.72 -- 26.70
Year 2018
January 22.11 28.53 22.32 -- 25.43
February 19.32 22.48 18.45 -- 21.02
March 24.40 27.97 22.42 -- 25.98
April 18.09 20.56 19.86 -- 19.68
May 18.38 20.61 13.77 -- 19.05
June 21.24 22.46 19.23 -- 21.47
July 21.17 24.32 19.78 -- 22.56
August 19.81 21.63 18.51 -- 20.48
September 20.75 22.50 18.18 -- 21.30
October 19.59 21.36 18.69 -- 20.35
November 22.31 24.00 19.55 -- 22.74
December 22.77 24.05 19.33 -- 22.97
Year 2019
January 19.07 23.38 19.78 -- 21.27
February 21.85 22.35 20.14 -- 21.84
March 21.84 24.03 20.33 -- 22.74
April 22.89 25.94 21.91 -- 24.35
May 24.71 20.19 21.60 -- 22.09
June 20.37 22.60 21.26 -- 21.56
July 19.72 20.39 17.90 -- 19.80
August 22.22 24.21 21.16 -- 23.06
September 19.36 21.02 18.93 -- 20.12
October 21.50 22.80 19.96 -- 21.92
November 21.15 22.74 20.65 -- 21.89
December 23.13 25.19 22.62 -- 24.09

Sources: U.S. Energy Information Administration, Form EIA-861M (formerly EIA-826), Monthly Electric Industry Power Report.
Form EIA-826, Monthly Electric Sales and Revenue Report with State Distributions Report;
Form EIA-861, Annual Electric Power Industry Report