<prompt> Translate the following text to EnglishKwa mfano, boiler ya 550MW katika Kansas City Power Light Companys Hawthorne Generating Station ilihitaji ujenzi upya na NOX, SO2 na PM wakati huo huo kudhibiti retrofits.  <response>: For example, the 550 MWe boiler at Kansas City Power Light Companys Hawthorne Generating Station required rebuild and NOX, SO2, and PM simultaneous control retrofits. 