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The benchmarks are bottom-up cost estimates of all major inputs to typical PV and energy storage system configurations and installation practices. Bottom-up costs are based on national averages and do not necessarily represent typical costs in all local markets.
For instance, many residential customers finance their PV systems, but the benchmarks exclude financing costs, which can represent around 20% of reported market prices. For further research on the complexity of PV markets and reported market prices, see Gillingham et al. (2016) and Barbose et al. (2021a).
Co-locating the PV and storage subsystems produces cost savings by reducing costs related to site preparation, permitting and interconnection, installation labor, hardware (via sharing of hardware such as switchgears, transformers, and controls), overhead, and profit.
Commercial Li-ion Energy Storage System: Modeled Cost Parameters in Intrinsic Units Min. state of charge (SOC) and max. SOC a Note that, for all values given in per square meter (m2) terms, the denominator refers to square meters of battery pack footprint. The representative system has 80 kWh/m2.
The benchmarks are bottom-up cost estimates of all major inputs to typical PV and energy storage system configurations and installation practices. Bottom-up costs are based on national averages and do not necessarily represent typical costs in all local markets.
The total cost over the service life of the system is amortized to give a levelized cost per year. In the PV System Cost Model (PVSCM), the owner's overnight capital expense (cash cost) for an installed PV system is divided into eight categories, which are the same for the utility-scale, commercial, and residential PV market segments:
Our operations and maintenance (O&M) analysis breaks costs into various categories and provides total annualized O&M costs. The MSP results for PV systems (in units of 2022 real USD/kWdc/yr) are $28.78 (residential), $39.83 (community solar), and $16.12 (utility-scale).
These benchmarks help measure progress toward goals for reducing solar electricity costs and guide SETO research and development programs. Read more to find out how these cost benchmarks are modeled and download the data and cost modeling program below.
Like in many places, the grid-scale energy storage sector is just beginning to develop in India, where the power sector is set to undergo significant changes in the coming years. The country has ambitious goals to deploy hundreds of gigawatts of renewables by 2030 while also needing to meet rapidly growing electricity demand.
ation. Recent energy storage auctions in India reveal record-low prices, with unsubsidized standalone battery storage bids at 2.8 lacs/MW/month and solar+storage bids at 3.1–3.5 I
The selection criteria focus on their feasibility of deployment (i.e., costs, scalability, supply chain availability, technological readiness) for grid-scale storage in the near-medium term (i.e., 10-15 years) in India.
India has begun to invest in energy storage and develop policy to support the development of battery storage. The Ministry of Power in India has taken a significant step in promoting the adoption of energy storage systems (ESS) by introducing an Energy Storage Obligation (ESO) alongside the Renewable Purchase Obligation (RPO).
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