Terms of the deal call for MidAmerican Energy Holdings Company to buy all outstanding shares of NV Energy’s common stock for $23.75 per share in cash. It must be approved by NV Energy shareholders, and state and federal regulators. The boards of both companies have given their assent.

Berkshire's MidAmerican Energy Holdings Co. will pay $23.75 per share, a 23% premium to NV Energy’s closing price on Wednesday, valuing the deal at about $5.6bn.

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