The most common US Department of Energy email format is {first}.{last}@hq.doe.gov (e.g. jane.doe@hq.doe.gov), used in about 94% of observed US Department of Energy work emails. US Department of Energy uses 7 address formats in total.
Most likely format — based on 1,054 observed addresses
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US Department of Energy email formats
93.8% of observed US Department of Energy addresses use the {first}.{last}@ format.
Email formatExampleShare
{first}.{last}@hq.doe.gov
Examplejane.doe@hq.doe.gov
Share93.8%
{f}{last}@hq.doe.gov
Examplejdoe@hq.doe.gov
Share3.1%
{last}.{first}@hq.doe.gov
Exampledoe.jane@hq.doe.gov
Share2.0%
{first}@hq.doe.gov
Examplejane@hq.doe.gov
Share0.8%
{f}.{last}@hq.doe.gov
Examplej.doe@hq.doe.gov
Share0.1%
{first}{l}@hq.doe.gov
Examplejaned@hq.doe.gov
Share0.1%
{last}@hq.doe.gov
Exampledoe@hq.doe.gov
Share0.1%
Derived from 1,054 real observed addresses · data refreshed 2026-05-30. Role-based inboxes (info@, sales@, …) are excluded from format detection.
Verify the pattern before you send
Start with the format that appears most often. For US Department of Energy, that means testing {first}.{last}@hq.doe.gov first, then verifying the exact address before it reaches your CRM or sequencer. A pattern can be common and still produce bad guesses when a person uses a nickname, a middle initial, a regional mailbox, or an older alias.
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The most common US Department of Energy email format is {first}.{last}@hq.doe.gov (for example jane.doe@hq.doe.gov), used in about 94% of observed US Department of Energy work addresses. US Department of Energy also uses 6 other formats for name collisions.
How accurate is this US Department of Energy email format?
This format is derived from 1,054 real US Department of Energy addresses observed across our data, not guessed. To confirm a specific address, use the live verifier above — it checks deliverability in real time.
How do I find and verify a specific person's US Department of Energy email?
Apply the most common pattern to the person's name (e.g. jane.doe@hq.doe.gov), then verify it on this page — or use the Find tab to get the likely address from their name automatically.
What other email formats does US Department of Energy use?
Beyond {first}.{last}@hq.doe.gov, observed formats include {f}{last}@hq.doe.gov, {last}.{first}@hq.doe.gov, {first}@hq.doe.gov, {f}.{last}@hq.doe.gov, {first}{l}@hq.doe.gov, {last}@hq.doe.gov, in descending order of frequency.
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