Utilities are conservative income stocks with a reputation for being safe enough to be appropriate for widows and orphans. That's true for some utilities, but NextEra Energy (NEE 4.18%) bucks the trend (in a good way). While NextEra operates a boring utility, it also owns a rapidly growing renewable power business. For both growth and income and dividend growth investors, it's a great stock to consider. And now is a unique opportunity to buy it. Here's what you need to know. NextEra is down but not out Next ...