Basis of Presentation and Other Information	9 Months Ended
Sep. 30, 2025
Basis of Presentation and Other Information [Abstract]
BASIS OF PRESENTATION AND OTHER INFORMATION	NOTE 1—BASIS OF PRESENTATION AND OTHER INFORMATION The accompanying unaudited condensed consolidated financial statements of Zeo Energy Corp. (the “Company” or “Zeo”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q of Regulation S-X. They do not include all the information and footnotes required by GAAP for complete financial statements. The December 31, 2024 consolidated balance sheet data was derived from audited financial statements but do not include all disclosures required by GAAP. The interim unaudited condensed consolidated financial statements should be read in conjunction with those consolidated financial statements included in the Form 10-K, as filed with the Securities and Exchange Commission on May 28, 2025. In the opinion of management, all adjustments considered necessary for a fair presentation of the financial statements, consisting solely of normal recurring adjustments, have been made. Operating results for the nine months ended September 30, 2025 are not necessarily indicative of the results that may be expected for the year ending December 31, 2025. *Reclassifications* Certain prior period amounts have been reclassified in the condensed consolidated financial statements and accompanying notes to conform to the current period presentation. These reclassifications included changes within contract assets, prepaid expenses and other current assets, and other assets on the consolidated balance sheets. The reclassifications had no impact on previously reported net loss, total assets, total liabilities, stockholders’ deficit, or total cash flows from operations. *Recently Adopted Accounting Pronouncements* In August 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-05, “Business Combinations—Joint Venture Formations (Subtopic 805-60): Recognition and Initial Measurement,” which requires a newly-formed joint venture to apply a new basis of accounting to its contributed net assets, resulting in the joint venture initially measuring its contributed net assets at fair value on the formation date. ASU 2023-05 is effective for all joint venture formations with a formation date on or after January 1, 2025, with early adoption permitted. These amendments are to be applied prospectively, with retrospective application permitted for joint ventures formed before the effective date. The adoption of ASU 2023-05 did not have a material impact on the Company’s condensed consolidated financial statements. *Recently Issued Accounting Pronouncements Not Yet Adopted* In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures,” which enhances the transparency and decision usefulness of income tax disclosures by requiring; (1) consistent categories and greater disaggregation of information in the rate reconciliation and (2) income taxes paid disaggregated by jurisdiction. It also includes certain other amendments to improve the effectiveness of income tax disclosures. ASU 2023-09 is effective for fiscal years beginning after December 15, 2024, with early adoption permitted. These amendments are to be applied prospectively, with retrospective application permitted. The Company is currently evaluating the impact this standard will have on its condensed consolidated financial statements. In November 2024, the FASB issued ASU 2024-03, “Income Statement – Reporting Comprehensive Income – Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses,” which requires the disaggregated disclosure of specific expense categories, including purchases of inventory, employee compensation, depreciation, and amortization included in each relevant expense caption presented on the statement of operations. The standard also requires disclosure of qualitative description of the amounts remaining in relevant expense captions that are not separately disaggregated quantitatively, as well as the total amount of selling expenses and an entity’s definition of selling expenses. ASU 2024-03 is effective for annual periods beginning after December 15, 2026, and interim periods beginning after December 15, 2027. The Company is currently evaluating the impact this standard will have on its condensed consolidated financial statements. In July 2025, the FASB issued ASU 2025-05, “Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets,” which introduces a practical expedient for the application of the current expected credit loss model to current accounts receivable and contract assets. The amendment is effective for interim and annual periods beginning after December 15, 2025, with early adoption permitted. This amendment is to be applied on a prospective basis. The Company is currently evaluating the impact this standard will have on its condensed consolidated financial statements. In September 2025, the FASB issued ASU 2025-06, “Intangibles – Goodwill and Other – Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software”. This guidance removes all references to project stages throughout ASC 350-40 and clarifies the threshold entities apply to begin capitalizing costs. Under the new standard, cost capitalization should only commence when an entity has committed to funding a software project and it is probable the project will be completed and the software will be used for its intended function. The amendments are effective for annual reporting periods beginning after December 15, 2027 and interim reporting periods within those annual reporting periods. Entities may apply the guidance using a prospective, retrospective or modified transition approach. Early adoption is permitted as of the beginning of an annual reporting period. The Company is currently evaluating the impact this standard will have on its condensed consolidated financial statements. The Company currently believes there are no other issued and not yet effective accounting standards that are materially relevant to its condensed consolidated financial statements.

Basis of Presentation and Other Information

9 Months Ended

Sep. 30, 2025

Basis of Presentation and Other Information [Abstract]

BASIS OF PRESENTATION AND OTHER INFORMATION

NOTE 1—BASIS OF PRESENTATION AND OTHER INFORMATION

The accompanying unaudited condensed consolidated financial statements of Zeo Energy Corp. (the “Company” or “Zeo”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q of Regulation S-X. They do not include all the information and footnotes required by GAAP for complete financial statements. The December 31, 2024 consolidated balance sheet data was derived from audited financial statements but do not include all disclosures required by GAAP. The interim unaudited condensed consolidated financial statements should be read in conjunction with those consolidated financial statements included in the Form 10-K, as filed with the Securities and Exchange Commission on May 28, 2025. In the opinion of management, all adjustments considered necessary for a fair presentation of the financial statements, consisting solely of normal recurring adjustments, have been made. Operating results for the nine months ended September 30, 2025 are not necessarily indicative of the results that may be expected for the year ending December 31, 2025.

Reclassifications

Certain prior period amounts have been reclassified in the condensed consolidated financial statements and accompanying notes to conform to the current period presentation. These reclassifications included changes within contract assets, prepaid expenses and other current assets, and other assets on the consolidated balance sheets. The reclassifications had no impact on previously reported net loss, total assets, total liabilities, stockholders’ deficit, or total cash flows from operations.

Recently Adopted Accounting Pronouncements

In August 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-05, “Business Combinations—Joint Venture Formations (Subtopic 805-60): Recognition and Initial Measurement,” which requires a newly-formed joint venture to apply a new basis of accounting to its contributed net assets, resulting in the joint venture initially measuring its contributed net assets at fair value on the formation date. ASU 2023-05 is effective for all joint venture formations with a formation date on or after January 1, 2025, with early adoption permitted. These amendments are to be applied prospectively, with retrospective application permitted for joint ventures formed before the effective date. The adoption of ASU 2023-05 did not have a material impact on the Company’s condensed consolidated financial statements.

Recently Issued Accounting Pronouncements Not Yet Adopted

In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures,” which enhances the transparency and decision usefulness of income tax disclosures by requiring; (1) consistent categories and greater disaggregation of information in the rate reconciliation and (2) income taxes paid disaggregated by jurisdiction. It also includes certain other amendments to improve the effectiveness of income tax disclosures. ASU 2023-09 is effective for fiscal years beginning after December 15, 2024, with early adoption permitted. These amendments are to be applied prospectively, with retrospective application permitted. The Company is currently evaluating the impact this standard will have on its condensed consolidated financial statements.

In November 2024, the FASB issued ASU 2024-03, “Income Statement – Reporting Comprehensive Income – Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses,” which requires the disaggregated disclosure of specific expense categories, including purchases of inventory, employee compensation, depreciation, and amortization included in each relevant expense caption presented on the statement of operations. The standard also requires disclosure of qualitative description of the amounts remaining in relevant expense captions that are not separately disaggregated quantitatively, as well as the total amount of selling expenses and an entity’s definition of selling expenses. ASU 2024-03 is effective for annual periods beginning after December 15, 2026, and interim periods beginning after December 15, 2027. The Company is currently evaluating the impact this standard will have on its condensed consolidated financial statements.

In July 2025, the FASB issued ASU 2025-05, “Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets,” which introduces a practical expedient for the application of the current expected credit loss model to current accounts receivable and contract assets. The amendment is effective for interim and annual periods beginning after December 15, 2025, with early adoption permitted. This amendment is to be applied on a prospective basis. The Company is currently evaluating the impact this standard will have on its condensed consolidated financial statements.

In September 2025, the FASB issued ASU 2025-06, “Intangibles – Goodwill and Other – Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software”. This guidance removes all references to project stages throughout ASC 350-40 and clarifies the threshold entities apply to begin capitalizing costs. Under the new standard, cost capitalization should only commence when an entity has committed to funding a software project and it is probable the project will be completed and the software will be used for its intended function. The amendments are effective for annual reporting periods beginning after December 15, 2027 and interim reporting periods within those annual reporting periods. Entities may apply the guidance using a prospective, retrospective or modified transition approach. Early adoption is permitted as of the beginning of an annual reporting period. The Company is currently evaluating the impact this standard will have on its condensed consolidated financial statements.

The Company currently believes there are no other issued and not yet effective accounting standards that are materially relevant to its condensed consolidated financial statements.