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Hero esg report 2019

Clean Energy

Meeting the Renewable Energy Needs of our Customers

Many of our customers seek to power their data centers with renewable energy from resources such as hydro, wind, solar and biomass. We work with utility companies, project developers, and energy producers to create solutions that meet the clean energy objectives of our clients.

Our fuel mix continues to incorporate carbon-free and renewable resources supplied by wind, solar, and hydro facilities. Both our Colocation Business and our EMEA portfolio are now 100% renewable. The U.S. EPA has recognized our efforts on this front, listing Digital Realty as one of the top 100 largest buyers of renewable energy on their national Top 100 list. As of year end 2019, we had 479 MW of new solar and wind power under contract.

Additional information about our efforts can be found in our ESG report.

Key Initiatives

Program Goal Performance

Global Renewable Energy

Long-term goal of making 100% renewable energy available to customers

30% renewable and 54% carbon-free electricity inclusive of utility supply (as of Dec. 31, 2019)

Colocation Business


Offset 100% of US colocation business electricity footprint

Ongoing attainment of 100% renewable coverage for US colocation business from July 2016




Offset 100% of EMEA electricity footprint

Ongoing attainment of 100% renewable energy coverage for EMEA portfolio from 2018

Arizona Green Tariff

New renewable energy supply

Contracted to meet a portion of data center energy needs from a 100-megawatt solar plant in Arizona

California and Illinois Clean Energy Supply

Expand use of zero carbon and renewable energy

San Francisco and Oakland, CA data centers and 3 Chicago data centers supplied by carbon-free and renewable supply via municipal and community choice aggregation suppliers

Oregon Green Tariff

New renewable energy supply

Contracted to supply 120,000 MWh annually to a data center in Hillsboro, Oregon

Hero Clean Energy
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