Cambridge Study: Ethereum Emerges as Efficiency Leader Among Major PoS Networks

A groundbreaking study from the Cambridge Centre for Alternative Finance has placed Ethereum near the lower end of energy intensity among major Proof-of-Stake (PoS) blockchains. The network's annual electricity consumption is estimated at 7.87 GWh, showcasing a significant leap in operational efficiency for the decentralized ecosystem.
When adjusted for market value, Ethereum utilized roughly 33 kWh per $1 million, ranking as the second-most efficient network studied, trailing only BNB Chain. This stands in stark contrast to Solana, which recorded an energy intensity 8.5 times higher than Ethereum's, highlighting the massive gap in resource optimization between these leading blockchain protocols.
When adjusted for market value, the network used roughly 33 kilowatt-hours (kWh) per $1 million, the second-lowest figure among the proof-of-stake networks assessed, behind BNB Chain. Solana used the most electricity among the PoS networks studied, at about 13.48 GWh per year. Its energy intensity was roughly 283 kWh per $1 million of market value, around 8.5 times Ethereum’s, while the networks in the comparison consumed about 38 GWh combined.
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