Great Plains Energy has fixed the pricing for its public offering of 52.6m shares at $26.45 per share.
The company plans to raise gross proceeds of $1.39bn and has also given the underwriters a 30-day option to buy up to 7.89m additional common stock shares. The net proceeds are estimated to be $1.35bn.
In addition, Great Plains Energy has simultaneously announced to raise $750m through public offering of 15 million depository shares at a price of $50 a share.
These proceeds are intended to be used to partly pay for the proposed acquisition of Westar Energy.
Neoen has announced a initial public offering (IPO) worth €1bn ($1.12bn) of shares.
The company aims to expand its gross installed capacity to 2GW by 2020.

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By GlobalDataTonenGeneral Sekiyu and JGC Corporation have reached an agreement to form a joint venture (JV) Muroran Biomass Power Generation.
TonenGeneral Sekiyu is a petroleum and petrochemical company, whereas JGC Corporation is an engineering and construction company.
The new JV will be headquartered at Minato-ku in Tokyo and will have a paid-in capital of ¥100m ($0.99m). A majority interest of 90% in the JV will be held by TonenGeneral Sekiyu, while JGC Corporation will own the remaining 10%.
Both companies are based in Japan.
SPI Energy has announced it will raise $100m through private placement of shares to fund the expansion of its photovoltaic projects and general corporate expenses.
The placement involves 386,100,386 shares priced at $0.259 each.