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Water Saving – Home

Materials

Cleaning, transporting, and heating water requires energy. More efficient fixtures and appliances can reduce home water use by 45 percent, thereby reducing emissions.

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Rank and results by 2050 #46

Water Saving – Home

Reduced CO2: 5 gigatons
Net cost (Billions US$): $72.44
Net operational savings: $1,800.12 billion
What do these numbers mean?

TOTAL CO2-EQ REDUCTION (GT)

Total CO2-equivalent reduction in atmospheric greenhouse gases by 2050 (gigatons)

NET COST (billions US $)

Net cost to implement

SAVINGS (billions US $)

Net savings by 2050

Impact:

Ninety-five percent adoption of low-flow taps and showerheads by 2050 could reduce carbon dioxide emissions by 4.6 gigatons, by reducing energy consumption for heating wasted water. Scaling other water-saving technologies would drive additional reductions. We model hot water only in order to calculate energy savings.

Vs

Energy Storage (Distributed)

Electricity Generation

Standalone batteries and electric vehicles make it possible to store energy at home or work. They ensure supply even when variable renewables are not producing.

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Rank and results by 2050 #77

Energy Storage (Distributed)

What do these numbers mean?

TOTAL CO2-EQ REDUCTION (GT)

Total CO2-equivalent reduction in atmospheric greenhouse gases by 2050 (gigatons)

NET COST (billions US $)

Net cost to implement

SAVINGS (billions US $)

Net savings by 2050

Impact:

Distributed energy storage is an essential supporting technology for many solutions. Microgrids, net zero buildings, grid flexibility, and rooftop solar all depend on or are amplified by the use of dispersed storage systems, which facilitate uptake of renewable energy and avert the expansion of coal, oil, and gas electricity generation. Adoption of distributed storage varies depending on whether it is used in an urban or rural setting; those dynamics are not explicitly modeled.

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