Zero Energy Homes in California Could be Mandatory by 2020

zero-energy-new-homesNext week the Assembly Natural Resources committee in California has an aggressive zero energy new home bill to vote on; the bill would require that by 2020, all new homes built in California are zero net energy homes.  The homes would help decrease the state’s dependence on fossil fuels and could set a new standard for states throughout the nation. Assemblywoman Lori Saldana introduced the bill last year, and it passed the Assembly, but the bill later died in the Senate.

As part of the bill’s plan, the homes would produce enough energy through solar panels or nearby wind or geothermal plants to power themselves and would virtually eliminate a homeowner’s electricity bill. The system could be set up like a grid that replicates a giant battery; the grid would use the surplus of energy produced by homes during the day, to power all of the homes on the grid at night.

Saldana mentions that nearly one quarter of greenhouse gas emissions are related to the heating and cooling of buildings and that the bill would help cut the emissions blamed for global warming. Opponents of the bill argue that new homes are already very energy efficient and that a better solution would be to target older homes, which have a greater dependency on fossil fuels.

The estimated costs of upgrading a home to a zero net energy home range from $15,000 – $50,000 but Saldana is confident that state rebates, federal tax breaks and decreased electricity bills would make the investment worth it for homeowners and builders.  If a family saves $150/month on their electricity bill, they would save $54,000 in energy costs over 30 years.

California residents and officials are consistently pushing for smarter ways to conserve energy. Home builders in the state are already building energy efficient homes and communities; if this bill passes, it would be a great step forward in energy conservation, but would focusing on updating older homes do just as much…if not more?

Read more about the bill – http://www.mercurynews.com/breakingnews/ci_12128231

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