XML 22 R11.htm IDEA: XBRL DOCUMENT v3.21.1
Revenue
 3 Months Ended
Mar. 31, 2021
Revenue from Contract with Customer [Abstract]  
Revenue Revenue
We present our operating revenues to external customers, in total and by amounts arising from contracts with customers and alternative revenue program (ARP) arrangements, disaggregated by revenue source and segment for the three months ended March 31, 2021 and 2020:
(in thousands)20212020
Operating Revenues
Electric Segment
Retail: Residential$37,485 $35,839 
Retail: Commercial and Industrial66,403 68,942 
Retail: Other1,818 1,822 
  Total Retail105,706 106,603 
Transmission11,944 10,841 
Wholesale4,507 876 
Other1,542 1,550 
Total Electric Segment123,699 119,870 
Manufacturing Segment
Metal Parts and Tooling62,673 57,211 
Plastic Products and Tooling10,295 9,883 
Scrap Metal Sales2,857 1,385 
Total Manufacturing Segment75,825 68,479 
Plastics Segment
PVC Pipe62,186 46,398 
Total Operating Revenue261,710 234,747 
Less: Noncontract Revenues Included Above
Electric Segment - Alternative Revenue Program Revenues(975)(87)
Total Operating Revenues from Contracts with Customers$262,685 $234,834