Introduction Empowering individuals Working together Operating sustainably Governance and engagement Appendix 2023 Environmental Repo爀琀 Features such as Energy Shi昀琀 gather local power grid FIGURE 3 Sma爀琀 thermostats emissions forecasts and identify oppo爀琀unities where Nest Renew features heating or cooling a home slightly earlier or later would Nest thermostats help control residential heating and mean taking advantage of cleaner energy. These small cooling systems, saving energy in a variety of ways. actions add up; as of December 2022, we estimate that The collective impact of these savings is signi昀椀cant.  32  33 Energy Shi昀琀 has already helped Nest Renew users From 2011 to 2022, Nest thermostats have helped collectively prioritize cleaner energy usage for more than customers cumulatively save more than 113 billion 110 million hours.  28 kWh of energy —more than double Po爀琀ugal’s annual  29 electricity consumption —and equivalent to preventing For people who want to do more to suppo爀琀 the growth  30 an estimated 36 million tCO e emissions. In 2022 alone, 2 of clean energy from their homes, Google o昀昀ers Nest Nest thermostats helped customers save more than Renew Premium as a paid subscription option. It matches  31 26 billion kWh of energy —more energy than Google used the fossil fuel electricity used in their home with enough in the same year. clean energy to cover the average U.S. household. We’re working with renewable energy plants that suppo爀琀 projects in Google’s own po爀琀folio—like the Bethel Wind plant in Castro County, Texas—to purchase high-quality Nest thermostats use AI and machine learning renewable energy credits for Nest Renew customers, to reduce energy consumption and achieve beyond Google’s existing clean energy purchases. collective savings as they learn how and when to keep customers comfo爀琀able, while optimizing People can also access features like impact repo爀琀s and for energy e昀케ciency. the Energy Impact Program, which lets them direct Nest Renew funds to nonpro昀椀t pa爀琀ners working toward an equitable sustainable future (see Figure 3). Clean energy 2022 HIGHLIGHT Because electricity grids tend to be cleaner at ce爀琀ain times of day, when we use electricity can be as impo爀琀ant In 2022 alone, Nest thermostats as how much electricity we use. That’s why we launched helped customers save more than 26  34 Nest Renew in the United States to help individuals billion kWh of energy —more energy automatically shi昀琀 their energy consumption to times of than Google used in the same year. day when local grid electricity is cleaner or less expensive 15