Table 12.1 Puerto Rico- Number of Ultimate Customers Served:
by Sector, 2010 through 2020

Period Residential Commercial Industrial Transportation All Sectors
Annual Totals
2010 1,339,703.00 133,029.00 790.00 -- 1,473,522.00
2011 1,341,708.00 132,738.00 750.00 -- 1,475,196.00
2012 1,349,750.00 131,264.00 721.00 -- 1,481,735.00
2013 1,340,989.00 131,034.00 694.00 -- 1,472,717.00
2014 1,328,546.00 129,122.00 662.00 -- 1,458,330.00
2015 1,326,631.00 127,365.00 647.00 -- 1,454,643.00
2016 1,332,152.00 127,179.00 633.00 -- 1,459,964.00
2017 1,337,756.00 127,065.00 618.00 -- 1,465,439.00
2018 1,346,102.00 126,527.00 602.00 -- 1,473,231.00
2019 1,341,424.00 124,912.00 588.00 -- 1,466,924.00
2020 1,351,190.00 125,391.00 587.00 -- 1,477,168.00
Year 2018
January 1,343,369.00 126,955.00 605.00 -- 1,470,929.00
February 1,342,510.00 126,695.00 606.00 -- 1,469,811.00
March 1,343,914.00 126,640.00 607.00 -- 1,471,161.00
April 1,344,684.00 126,489.00 606.00 -- 1,471,779.00
May 1,344,960.00 126,396.00 604.00 -- 1,471,960.00
June 1,344,798.00 126,278.00 604.00 -- 1,471,680.00
July 1,345,450.00 126,221.00 601.00 -- 1,472,272.00
August 1,346,380.00 126,283.00 598.00 -- 1,473,261.00
September 1,347,298.00 126,375.00 599.00 -- 1,474,272.00
October 1,348,855.00 126,492.00 597.00 -- 1,475,944.00
November 1,349,924.00 126,702.00 595.00 -- 1,477,221.00
December 1,351,082.00 126,800.00 596.00 -- 1,478,478.00
Year 2019
January 1,343,649.00 125,945.00 594.00 -- 1,470,188.00
February 1,344,627.00 125,872.00 593.00 -- 1,471,092.00
March 1,345,398.00 125,610.00 595.00 -- 1,471,603.00
April 1,344,357.00 125,225.00 590.00 -- 1,470,172.00
May 1,343,442.00 125,067.00 589.00 -- 1,469,098.00
June 1,341,453.00 124,798.00 588.00 -- 1,466,839.00
July 1,341,100.00 124,692.00 588.00 -- 1,466,380.00
August 1,339,811.00 124,550.00 587.00 -- 1,464,948.00
September 1,338,804.00 124,409.00 584.00 -- 1,463,797.00
October 1,338,280.00 124,254.00 583.00 -- 1,463,117.00
November 1,338,174.00 124,157.00 582.00 -- 1,462,913.00
December 1,337,987.00 124,366.00 581.00 -- 1,462,934.00
Year 2020
January 1,347,813.00 125,360.00 589.00 -- 1,473,762.00
February 1,347,163.00 125,296.00 587.00 -- 1,473,046.00
March 1,346,663.00 125,159.00 585.00 -- 1,472,407.00
April 1,347,149.00 125,148.00 586.00 -- 1,472,883.00
May 1,348,106.00 125,175.00 586.00 -- 1,473,867.00
June 1,348,993.00 125,185.00 587.00 -- 1,474,765.00
July 1,350,313.00 125,209.00 588.00 -- 1,476,110.00
August 1,352,453.00 125,317.00 589.00 -- 1,478,359.00
September 1,354,645.00 125,523.00 588.00 -- 1,480,756.00
October 1,355,783.00 125,643.00 587.00 -- 1,482,013.00
November 1,356,794.00 125,745.00 588.00 -- 1,483,127.00
December 1,358,407.00 125,937.00 588.00 -- 1,484,932.00

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