AllEarth Renewables announced its expansion into the Massachusetts solar market earlier this week.

The Vermont solar manufacturer formed a partnership with three solar installers Massachusetts to sell its patented AllSun Trackers. The trackers are specially designed to follow the sun and maximize energy output while also standing up to the elements.

“This is part of our continued expansion of our solar trackers in the northeast,” said AllEarth spokesman Andrew Savage. “We’re particularly excited about the Massachusetts market because of the state’s prominence nationally. Massachusetts has one of the best solar markets in the country.”

The state has the fourth largest solar market in the United States in 2012, according to a report from the Solar Energy Industry Association. The manufacturer started expanding its reach outside of its home state of Vermont at the end of 2011 and has established partnerships with installers in New York, New Hampshire, Maine and Connecticut, Savage said.

The three new installation partners selling AllSun Trackers in Massachusetts include US Solar Works, NorthEast Solar Design and Transformations Inc. “We were looking for partners that understand the value of ground-mounted solar,” Savage said. “And these particular installers really understand the economic advantages of our solar trackers.”

The expansion into other northeastern states has been thoughtful and strategic. The company has been able to keep up with manufacturing demand, Savage said. And AllEarth continues to look for new markets where it can bring its AllSun Trackers. It’s had great success in the state as well, installing more than 5 megawatts and leading other solar manufacturers by wide margins for the last two years.

Vermont Business Magazine named the company the fastest growing business in the state both in 2010 and 2011, according to a release from AllEarth.