Ethereum Energy Consumption Drops Significantly in Cambridge Study
Vexoda Newsroom
A new study by the Cambridge Centre for Alternative Finance places Ethereum near the lower end of energy intensity among PoS blockchains. The transition from proof-of-work to proof-of-stake has signif
In a recent study by the Cambridge Centre for Alternative Finance, Ethereum's energy consumption was estimated at 7.87 gigawatt-hours (GWh) annually, placing it near the lower end of energy intensity among major proof-of-stake (PoS) blockchains. This marks a significant drop from its pre-merge days when it consumed approximately 100 GWh per year under the proof-of-work (PoW) consensus mechanism.
The study highlighted that Ethereum's market-value-adjusted energy intensity is around 33 kilowatt-hours (kWh) per $1 million of market value, making it the second-lowest among PoS networks. BNB Chain leads with an even lower figure at roughly 25 kWh per $1 million. Solana consumes the most electricity annually, estimated at about 13.48 GWh.
The transition from PoW to PoS was a pivotal moment for Ethereum's sustainability. Validators now secure the network by staking Ether instead of miners competing with high-energy computing equipment. The Cambridge study measured energy use across various nodes and found that an average node consumes around 105 watts, with about 64% hosted in cloud or enterprise facilities.
The remaining emissions are largely driven by the electricity grids supplying these nodes. Approximately 56.4% of Ethereum's power mix comes from renewable sources like nuclear energy, compared to a significant portion (43.6%) that relies on fossil fuels. This mixed energy source is crucial for understanding the network’s overall environmental impact.
The study provides valuable insights for policymakers and investors in assessing blockchain sustainability. It also highlights the ongoing challenge of balancing performance with environmental considerations as Ethereum continues its journey towards greater efficiency and reduced carbon footprint.
Traders should monitor how these findings influence market perceptions of Ethereum's energy use, particularly given the growing importance of green credentials among institutional investors. Additionally, the study’s detailed analysis may inform future strategies for reducing Ethereum's carbon emissions further.
Source: Cointelegraph. Summarized and rewritten by the Vexoda Newsroom. This is market news, not financial advice.