Exhibit 99.1

SEMI-ANNUAL SERVICER’S CERTIFICATE

Pursuant to Section 4.01(c)(ii) of the Environmental Control Property Servicing Agreement, dated as of May 12, 2021 (the “Servicing Agreement”), by and between WISCONSIN ELECTRIC POWER COMPANY, as servicer (the “Servicer”), and WEPCO ENVIRONMENTAL TRUST FINANCE I, LLC, the Servicer does hereby certify, for the December 16th, 2024 Payment Date (the “Current Payment Date”), as follows:

Billing Periods: May 2024 to October 2024 (June 2024 to November 2024 Collection Period)

Payment Date: December 16, 2024

1.             Collections Allocable and Aggregate Amounts Available for the Current Payment Date:

i.	Remittances for the May 2024 Billing Period ⁽¹⁾	$	295,170.76
ii.	Remittances for the June 2024 Billing Period	$	829,269.93
iii.	Remittances for the July 2024 Billing Period	$	1,033,599.79
iv.	Remittances for the August 2024 Billing Period	$	1,166,526.94
v.	Remittances for the September 2024 Billing Period	$	1,474,617.35
vi.	Remittances for the October 2024 Billing Period	$	1,166,861.58
viii.	Investment Earnings on Capital Subaccount	$	4,308.21
ix.	Investment Earnings on Excess Funds Subaccount	$	579.76
x.	Investment Earnings on General Subaccount	$	28,029.84
xi.	General Subaccount Balance (sum of i through x above)	$	5,998,964.16
xii.	Excess Funds Subaccount Balance as of prior Payment Date	$	—
xiii.	Capital Subaccount Balance as of prior Payment Date	$	336,089.33
xiv.	Collection Account Balance (sum of xi through xiii above)	$	6,335,053.49

⁽¹⁾

Includes remittances to General Subaccount from June 17, 2024 through June 28, 2024; June 1, 2024 to June 14, 2024 remittances were made available for June 15, 2024 Debt Service Payment.

2.             Outstanding Amounts of as of prior Payment Date:

Aggregate Outstanding Amount of all Environmental Trust Bonds

92,544,163.00

3.             Required Funding/Payments as of Current Payment Date:

Principal		Principal Due
Environmental Trust Bonds		$	4,533,931.00

Interest		Interest Rate				Days in Interest Period⁽²⁾				Principal Balance				Interest Due
Environmental Trust Bonds			1.578	%			180			$	92,544,163.00			$	730,173.45

				Required Level				Funding Required
xiii.		Capital Subaccount		$	594,070.00			$	257,980.67

⁽²⁾

On 30/360 day basis for initial payment date; otherwise use one-half of annual rate.

4.             Allocation of Remittances as of Current Payment Date Pursuant to 8.02(e) of Indenture:

i.	Trustee Fees and Expenses; Indemnity Amounts	$	—
ii.	Servicing Fee	$	29,703.48
iii.	Administration Fee	$	37,500.00
iv.	Operating Expenses	$	56,233.30

Environmental Trust Bonds		Aggregate		Per $1,000 of Original Principal Amount
v.	Semi-Annual Interest (including any past-due for prior periods)			$	—
	Interest Payment	$	730,173.45	$	6.15

vi.	Principal Due and Payable as a Result of an Event of Default or on Final Maturity Date
	Principal Payment	$	—	$	—

vii.	Semi-Annual Principal
	Principal Payment	$	4,533,931.00	$	38.16
viii.	Other Unpaid Operating Expenses			$	43,536.50
ix.	Funding of Capital Subaccount (to required level)			$	257,980.67
x.	Capital Subaccount Return to Wisconsin Electric Power Company			$	12,884.16
xi.	Deposit to Excess Funds Subaccount			$	340,558.09
xii.	Released to Issuer upon Retirement of all Environmental Trust Bonds			$	—
xiii.	Aggregate Remittances as of Current Payment Date ⁽³⁾			$	5,966,046.34

⁽³⁾

Includes remittances to General Subaccount from June 17, 2024 through October 31, 2024; June 1, 2024 to June 14, 2024 remittances were made available for June 15, 2024 Debt Service Payment.

5.             Outstanding Amount and Collection Account Balance as of Current Payment Date (after giving effect to payments to be made on such Payment Date):

i.	Aggregate Outstanding Amount of all Environmental Trust Bonds	$	88,010,232.00
ii.	Excess Funds Subaccount Balance	$	340,558.09
iii.	Capital Subaccount Balance	$	594,070.00
iv.	Aggregate Collection Account Balance	$	934,628.09

6.            Subaccount Withdrawals as of Current Payment Date (if applicable, pursuant to Section 8.02(e) of Indenture):

i.	Excess Funds Subaccount	$	—
ii.	Capital Subaccount	$	—
iii.	Total Withdrawals	$	—

7.             Shortfalls in Interest and Principal Payments as of Current Payment Date:

8.             Shortfalls in Payment of Return on Invested Capital as of Current Payment Date:

Return on Invested Capital

—

9.             Shortfalls in Required Subaccount Levels as of Current Payment Date:

Capital Subaccount

—

Capitalized terms used but not defined herein have their respective meanings as set forth in the Servicing Agreement. References herein to certain sections and subsections are references to the respective sections of the Servicing Agreement or the Indenture, as the context indicates.

IN WITNESS WHEREOF, the undersigned has duly executed and delivered this Semi-Annual Servicer’s Certificate this 6th day of December, 2024.

		WEPCO ENVIRONMENTAL TRUST FINANCE I, LLC, As Issuing Entity

		By: WISCONSIN ELECTRIC POWER COMPANY, as Servicer

Date:	December 6, 2024	/s/ Anthony L. Reese
		Anthony L. Reese
		Vice President and Treasurer

Semi-annual Interest

Interest Payment

Semi-annual Principal

Principal Payment

WEPCo Environmental Trust Finance I, LLC 10-D