<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31380096</termId><termName>cogeneration plants</termName><termType>PT</termType><termNote><![CDATA[ Power plants that simultaneously generate from the same source electrical energy and useful heat energy. ]]></termNote><termCreatedDate>2026-03-30 20:42:31</termCreatedDate><relation><relationType>UF</relationType><termId>31380099</termId><termName>cogenerating plants</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380100</termId><termName>cogeneration facilities</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380101</termId><termName>cogeneration plant</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380102</termId><termName>cogeneration systems</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380103</termId><termName>combined cycle plants</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380104</termId><termName>combined cycle power plants</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380105</termId><termName>combined heat and power generating plants</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380106</termId><termName>combined-cycle plants</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380107</termId><termName>combined-cycle power plants</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380108</termId><termName>plants, cogeneration</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380097</termId><termName>co-generation plant</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31380098</termId><termName>CHP generating plants</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31350288</termId><termName>power plants</termName><termType>PT</termType></relation></term>  </Zthes>