My Family's Contribution to Climate Action: Rooftop Solar and Electric Vehicles

[Riaz Haq]

In response to growing reports of extreme heat and floods around the world, my wife and I are doing our part to reduce our carbon footprint: We now have rooftop solar panels as well as two electric vehicles. In fact, we have had rooftop solar since 2019. My wife Yasmeen traded in her Toyota Prius Hybrid car for an all-electric Chevrolet Bolt in 2019, and I have recently traded in my gasoline-powered Mercedes sedan for a Tesla Model Y 2022. Both of us see these actions as the least we can do to help our future generations. We all need to help bring about the clean energy revolution. 

My New Tesla Model Y 2022

Our rooftop solar panels have been generating enough electricity to power our home for the last three years. The SunRun solar app we have shows that our solar panels generated 8,500 kWh of electricity in the last 12 months, reducing CO2 emissions produced by 6,622 pounds of coal and 676 gallons of gasoline. 

Rooftop Solar Panels on Our House

Silicon Valley where I live is at the forefront of the nascent clean energy revolution led by Tesla. Tesla is more than an electric car company; the company also supplies solar panels and batteries. Other automakers are also taking their cues from Tesla.  China's BYD Auto has only recently been surpassed by Tesla in production volumes. Auto giants General Motors and BMW are both building electric cars and planning to build "gigafactories" like Tesla's to manufacture battery packs for vehicles and homes. Pakistan is building up renewable power generation capacity. The country has also recently announced its National Electric Vehicle Policy that offers incentives to transition to clean energy.

The global transportation sector is a major polluter and in 2020 produced approximately 7.3 billion metric tons of carbon dioxide (CO2) emissions. Passenger cars were the biggest source of emissions that year, accounting for 41 percent of global transportation emissions.

CO2 Emissions by the Transport Sector. Source: Statista

Bloomberg estimates that batteries and electric transmission account for about 40% of passenger cars’ costs. European demand is met by mainly Japanese and South Korean battery makers like Panasonic, LG Chem Ltd. and Samsung SDI Co. In the U.S., Tesla has built its own battery cells at its Gigafactory to manage costs and satisfy demand for the cars it produces. Chinese demand for battery packs is met by BYD.

My wife and I have taken it to heart to think globally and act locally. Each of us can make our own modest contribution to helping fight global climate change for the sake of our future generations. We owe it to our children and grandchildren. The time to act is NOW!

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[Riaz Haq]

Fortunately, the United States has finally decided to address it head-on: The Inflation Reduction Act of 2022, easily the largest climate bill in U.S. history, has cleared both the Senate and the House. It invests $369 billion to help get the country off fossil fuels and gives the Department of Energy $250 billion to lend to companies shaping the clean energy future. Together, these measures will leverage many hundreds of billions of dollars spent by businesses and households alike, producing and purchasing things like electric vehicles, solar panels and heat pumps.

https://www.nytimes.com/2022/08/12/opinion/environment/climate-bill...

The bill’s High-Efficiency Electric Home Rebate Program offers up to $8,000 to install heat pumps that both cool and heat homes, replacing air-conditioners and, typically, gas furnaces. If the current water heater runs on gas, the program supports going all in with a heat pump (a $1,750 rebate).

Fully electrifying one’s home also often means improving electric wiring (another $2,500 rebate), and the full benefits of home electrification only come with sealing gaps and insulating ($1,600). Switch from a gas range to an induction stove and get up to $840 back. Add solar panels on the roof (a 30 percent tax credit), batteries as backup (30 percent) and an electric vehicle in the garage (up to $7,500 per new car and $4,000 per used car), and home electrification is complete.