NiSource Inc.’s (NI Quick QuoteNI – Free Report) focus on strengthening its existing infrastructure and efforts to increase the production of clean energy are likely to boost its performance. Its strong liquidity position is a boon too.The Zacks Consensus Estimate for current-quarter earnings is pegged at 38 cents per share, indicating growth of 11.76% from the year-ago period’s reported figure. The consensus mark for current-quarter revenues stands at $1.47 billion, suggesting 21.01% growth from the prior-year period’s reported number. NI’s long-term (three to five years) earnings growth is pegged at 6.66%.In the past three months, shares of this currently Zacks Rank #3 (Hold) NiSource have lost 0.4% compared with the industry‘s fall of 1.7%. You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.Three Months’ Price…