1. D.C. and Maryland see growing demand for net zero homes. Emissions in District were actually higher in 2013 and 2014 than they were in 1998.
In the District, the district maintains two locations for net zero homes: H Street and Ivy City. At the H Street location, 13 net zero projects totaling just over 89 units were constructed. They achieved 50 percent efficiency and 95 percent effectiveness. The Ivy City net zero campus is located on the new leafy campus of the Stony Run Golf and Country Club and meets the requirements in the city’s community plan. In addition, 17 homes were constructed in Arlington.
2. Delaware: Mixed mixed results. Only 13 net zero projects were completed in 2014. Ten are in Clifton T. Perkins neighborhood, which achieved 84 percent efficiency. Fourteen are in Clifton Yaphank, home to the largest facility in North America for eliminating nitrogen oxide. Six are in Clifton, N.Y., and all of the homes were built with natural gas.
1. Maryland: Net zero schools. Eleven Zero Net Zero schools were built in the last two years, including five high schools. They reduce all residential, commercial and vehicle emissions by 95 percent. At the Howard County high school, the classrooms were made partially out of cellulose wood.
2. Anne Arundel: Zero home building. No net zero homes were built in Anne Arundel County.
3. Baltimore: Net zero city. Nine zero net zero residential developments were built in the Baltimore region in the last two years. They reduced residential, commercial and vehicle emissions by 97 percent. Five are in Canton and Glen Burnie.
4. Carroll: No net zero home builders. None of the six city housing developments built in Carroll County between 2013 and 2014 are net zero. However, two have plans to build energy-efficient homes. Five were built in North Carroll: West/East Portland Builders at 4210 W. Burwell Dr., Brownstone Homes, Sellers Builders, GreenBuilders, Moyer Development, and Empire Builders.
5. Frederick: Net zero schools. A total of 11 schools were built in Frederick between 2008 and 2014. They reduced all residential, commercial and vehicle emissions by 93 percent. The schools in the Patterson Mill area were developed in the second half of 2014.
6. Fauquier: According to local developer Ulman family, no net zero homes have been constructed since 2006. In addition, none of the 11 Zero Net Zero school projects built in the last three years in the Fauquier region are net zero, although all have plans to build energy-efficient homes.
7. Garrett: None of the 19 housing developments in the Garrett area are net zero. The area saw 20 residential zero net zero housing projects between 2011 and 2014, according to data collected by the Garrett County Board of Supervisors. One was in Kings Fork (Outlet Town in Centreville).
8. Harford: No net zero home builders. None of the nine high schools built in Harford County between 2010 and 2015 are net zero.
9. Howard: None of the seven schools constructed in the past two years are net zero. No high schools are more than 40 percent net zero.
10. Howard: Zero new construction since 2012. Five zero net zero townhouses built in Columbia between 2012 and 2014 are not considered development units under Maryland law, according to the Department of Housing and Community Development.
11. Montgomery: Net zero school projects. None of the 20 zero net zero schools built in Montgomery County in the last two years were built by the Common Fund DC or a member of the Maryland chapter of the American Institute of Architects. The seven schools built between 2008 and 2010 are not included. Five of the 12 new schools built between 2010 and 2012 in Montgomery County are considered development units.
12. Washington: In the last two years, 16 projects have been completed. Six are in Northeast DC.
13. Virginia: Five projects were built in North Richmond. None are counted in the 2014 numbers.
14. West Potomac: All zero net zero homes are built to the new Future Sustainability Standards code for West Potomac.
15. Westover: None of the zero net zero homes in the Westover area were developed by Parkwood. No zero net zero homes were constructed in any of the three towns in Harpers Ferry.