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Lifecycle cost and carbon implications of residential solar-plus-storage in California.

ABSTRACT: Capacities of residential photovoltaics (PV) and battery storage are rapidly growing, while their lifecycle cost and carbon implications are not well understood. Here, we integrate PV generation and load data for households in California to assess the current and future lifecycle cost and carbon emissions of solar-plus-storage systems. Our results show that installing PV reduces $180-$730 and 110-570 kgCO₂ per year per household in 2020. However, compared to solar-only system, adding battery storage increases lifecycle costs by 39%-67%, while impact on emissions is mixed (-20% to 24%) depending on tariff structure and marginal emission factors. In 2040, under current decarbonization and cost trajectories, solar-plus-storage leads to up to 31% higher lifecycle costs and up to 32% higher emissions than solar-only systems. Designing a tariff structure with wider rate spreads aligned with marginal carbon emissions, and reducing the costs and embodied emissions of batteries are crucial for broader adoption of low-carbon residential solar-plus-storage.

SUBMITTER: Zheng J

PROVIDER: S-EPMC8654984 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Private vs. public value of U.S. residential battery storage operated for solar self-consumption.

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Project description: Not available

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Residential proximity to green space and preeclampsia in California.

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Carbon dynamics and GHG implications of increasing wood construction: long-term scenarios for residential buildings in Austria.

Project description:Wooden construction elements often exhibit lower life cycle greenhouse gas (GHG) emissions than conventional counterparts ('material substitution effect'). Moreover, the building stock represents a carbon (C) sink if timber inflows (construction) surpass outflows (demolition) ('C-stock effect'). A dynamic stock model incorporating these effects is applied to quantify potential climate benefits of wood construction in Austria's residential building sector. If present trends are maintained, culminating in a wood construction share (WCS) of 50% during 2050-2100, building shells could contain three times as much C in 2100 as today. Annual timber demand for residential construction could double, but would remain well below Austria's current net exports. Compared to a baseline scenario with constant WCS (22%), cumulated GHG savings from material substitution until 2050 are estimated 2 to 4.2 Tg CO2-equivalent - clearly less than savings from C-stock expansion (9.2 Tg). Savings from both effects would double in a highly ambitious scenario (WCS=80% during 2050-2100). The applied 'Stock Change Approach' is consistent with IPCC Guidelines, but the above-mentioned savings from C-stock changes would not materialize under the current default GHG inventory accounting approach. Moreover, savings from C-stock effects must eventually be weighed against forest C-stock changes, as growing domestic demand might stimulate wood harvesting.

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