Commenting on the company's fortunes to the newspaper, Citi analyst Peter Atherton also said it was expected that the company's price cuts on a range of gas and electricity products had contributed to its growth.
If the predictions of SSE's success are true, the findings would round off a good start to November for the electricity provider.
The company was recently named the best customer service provider out of all of the major energy suppliers in three major surveys in the area.
JD Power and Associates, energywatch and uSwitch.com have all rated the business's customer service record as the best offered by an energy provider within the past few weeks.
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