OGE Energy Corp. and Electric Transmission America , a joint venture of subsidiaries of American Electric Power and MidAmerican Energy Holdings Co., announced on Tuesday that the companies have formed Horizon ...
AEP's ETA Transmission Venture Forms JV With OGE To Build...
Electric Transmission America , a joint venture of American Electric Power and MidAmerican Energy Holdings, has formed a joint venture company with OGE Energy Corp.
