Memorandum Supplementing section 4.6.4 of the GHG Mitigation Measures TSD supporting 

the final CPP. Ownership and Co-Location 

From: Matt Clouse, OAP 

One example of a collocated fossil fuel-fired EGU and renewable energy installation is 

demonstrated by Sempra Energy’s neighboring natural gas and solar PV projects located at 701 

Eldorado Valley Drive in Boulder City, Nevada. According to satellite imagery, the Desert Star 

Energy Center 480 megawatt natural gas plant is located alongside the Copper Mountain Solar 1 

and 2 plants of 58 megawatts and 92 megawatts, respectively. 

In late 2014, the Kentucky Public Service Commission approved Louisville Gas and an Electric 

(LG&E) and Kentucky Utilities (KU) request to construct what will be the state's largest solar 

photovoltaic facility at the utilities' E.W. Brown Generating Station with has 3 coal units (113, 

180 and 464 megawatt nameplate capacity) and several simple cycle natural gas units. The 10-

megawatt solar facility is expected to go online in 2016 and will provide renewable electricity 

directly to the grid, represented by the folloing December 22, 2014 press release from LG&E and 

KU. 

The press release, which can be found here https://lgeku.com/newsroom/articles/2014/12/22/kpsc-approves-lge-and-kus-request-build-states-largestsolar-facility as of August 2015, is titled, “KPSC Approves LG&E and KU's Request to Build 

State's Largest Solar Facility.” Here is the content of the press release. 

This project and its approval is the result of positive, productive agreements between the 

utilities, the Sierra Club and industrial partners for the benefit of Kentucky. 

The Kentucky Public Service Commission approved LG&E and KU's request to 

construct what will be the state's largest solar photovoltaic facility in Mercer County at 

the utilities' E.W. Brown Generating Station. 

“This is a good example of how LG&E and KU, the Sierra Club and our industrial 

partners worked together for a mutually beneficial solution for Kentucky," said LG&E 

and KU Chief Operating Officer Paul Thompson. 

“While Kentucky is not blessed with an abundance of wind and solar energy, the 

approval gives us the opportunity to learn more about solar technology,” said Thompson. 

“By utilizing our existing property and taking advantage of tax incentives, we can offer 

our customers another source of generation, similar to our existing hydro plants.” 

The 10-megawatt solar facility is expected to go online in 2016 and cost $36 million. 

The solar array will consist of solar panels and associated transformers, switches and 

other equipment. The number of solar panels will be driven by the final design of the 

solar array selected from the competitive bidding process. 
KU will own 61 percent of the array and LG&E the remaining 39 percent — a split based 

upon the relative load of the two utilities during daylight hours. 

LG&E and KU will continue maintaining a diverse generation portfolio and are 

continually evaluating potential energy supplies to determine which available sources 

would allow the company to sufficiently provide safe, reliable, least-cost energy using 

commercially available technologies. 

For more information, the agreement is also included in the KPSC press release that is 

attached. 
KPSC Approves LG&E and KU's Request to Build State's 

Largest Solar Facility

Posted | Dec 22, 2014 

Description: This project and its approval is the result of positive, productive agreements between the utilities, the Sierra Club and industrial 

partners for the benefit of Kentucky.

The Kentucky Public Service Commission approved LG&E and KU's request to construct what will be the state's largest solar photovoltaic facility in 

Mercer County at the utilities' E.W. Brown Generating Station. 

“This is a good example of how LG&E and KU, the Sierra Club and our industrial partners worked together for a mutually beneficial solution for 

Kentucky," said LG&E and KU Chief Operating Officer Paul Thompson. 

“While Kentucky is not blessed with an abundance of wind and solar energy, the approval gives us the opportunity to learn more about solar 

technology,” said Thompson. “By utilizing our existing property and taking advantage of tax incentives, we can offer our customers another source 

of generation, similar to our existing hydro plants.”

The 10-megawatt solar facility is expected to go online in 2016 and cost $36 million. 

The solar array will consist of solar panels and associated transformers, switches and other equipment. The number of solar panels will be driven 

by the final design of the solar array selected from the competitive bidding process.

KU will own 61 percent of the array and LG&E the remaining 39 percent — a split based upon the relative load of the two utilities during daylight 

hours.

LG&E and KU will continue maintaining a diverse generation portfolio and are continually evaluating potential energy supplies to determine which 

available sources would allow the company to sufficiently provide safe, reliable, least-cost energy using commercially available technologies. 

For more information, the agreement is also included in the KPSC press release that is attached. 

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