A method of sharing energy usage data may include requesting customer-specific energy usage data (CSEUD). The method further includes receiving a modified CSEUD record. The modified CSEUD record includes modified energy usage data with respect to original energy usage data of an original CSEUD record from which the modified CSEUD record is derived. The method also includes authenticating the modified CSEUD record to verify the integrity of the modified energy usage data.
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