Dr. Ken Gillingham will present:
"Valuing Technology Complementarities: Rooftop Solar and Energy Storage"
Complementarities play a key role in the demand for many products and accessories to existing products can influence demand for the original product. This study examines complementarities in the demand for rooftop solar and an accessory, battery energy storage. Using nationwide administrative data, we estimate a dynamic nested logit model of solar and storage adoption. We quantify the demand complementarity between solar and storage, and find that if storage was not available, 20% of households who co-adopt solar and storage would not adopt anything. This demand complementary increases with power outages, with the strongest effect in California.
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