⚡ 217 WESTERN AVE

Site Diligence Analysis: 217 WESTERN AVE, Cook County, IL

As a senior BESS site evaluation analyst for Sunland America Corp, I have performed a comprehensive diligence analysis for the property located at 217 WESTERN AVE in Cook County, Illinois. This analysis aims to identify key opportunities, risks, and next steps for developing a distribution-scale (≤5MW) or utility-scale BESS project on the 5.31-acre parcel.

1. Site Access & Topography

• Road Access Quality: The property benefits from "Public" road access via Western Avenue. Western Avenue is a significant arterial road in Cook County, suggesting good quality and capacity for heavy vehicle traffic. This is highly favorable for the delivery of large components such as transformers, battery containers, and other construction equipment.
• Equipment Delivery Feasibility: Given public road access on a likely major thoroughfare, the delivery of heavy equipment appears feasible. No immediate concerns regarding bridge weight limits or narrow turns are apparent from the data, though a detailed route survey would be required.
• Terrain Characteristics: The property is described as "Vacant Land" with "Great Buildability." This typically implies a relatively flat and easily developable site, minimizing extensive grading and earthwork costs. However, there is a significant contradiction: "Buildable Acres" is listed as 0.01 acres, which is an extremely small fraction of the 5.31-acre parcel. This data point is a critical red flag and must be immediately verified. If accurate, it renders the site unsuitable for a BESS project of any meaningful scale. If it's a typo, the "Great Buildability" suggests favorable topography.
• Heavy Equipment Access: With public road access and "POI Onsite" (Point of Interconnection), direct access for heavy equipment to the core development area is excellent, assuming the "Buildable Acres" figure is erroneous or misinterpreted.
• Access Easement Concerns: No specific access easements are noted. However, on a vacant parcel, it is common to find existing utility easements (e.g., for gas, water, or existing electrical lines) that could restrict development. A full title search and ALTA survey will be necessary to identify any such encumbrances.

2. Environmental Constraints

• FEMA Flood Zone Designation: The FEMA Flood Zone is listed as "Unknown." This is a critical data gap. BESS facilities must be sited outside of 100-year floodplains (Zone AE) or require expensive floodproofing measures. Immediate verification through FEMA flood maps is required.
• Wetlands Presence: Wetlands status is also "Unknown." This is another significant environmental constraint. Wetlands require strict setbacks and permitting from the Army Corps of Engineers and state environmental agencies (e.g., Illinois EPA), which can significantly delay or even prohibit development. A professional wetland delineation is a mandatory next step.
• Critical Habitat / Endangered Species Risk: The data indicates "Critical Habitat: None" and "Protected Areas: None." This is a positive finding, suggesting a lower risk of encountering endangered species or their habitats, which can be a major permitting hurdle.
• Brownfield/Superfund Status: The data notes "19 site(s) within ~2 mi" of Brownfield/Superfund sites. While this indicates a regional environmental concern, it does not confirm if this specific parcel is a designated brownfield. If the parcel itself is a brownfield, it could qualify for the IRA Brownfield Bonus ITC adder. However, proximity to multiple contaminated sites could raise concerns during environmental due diligence (Phase I ESA) regarding potential off-site contamination migration or public perception issues.
• Chesapeake Bay Critical Area: The property is located in Cook County, IL, so "Chesapeake Critical Area: N/A" is correctly noted and not a concern.
• Pipeline Proximity: "None within ~3 miles" is a favorable finding, eliminating safety setbacks and potential permitting complexities associated with high-pressure gas or hazardous liquid pipelines.

3. Grid Infrastructure & Interconnection

• Nearest Substation: The Dixmoor Substation is located 1.3 miles away. The "Max Voltage" for this substation is "Unknown," which is a critical piece of information for assessing available capacity and interconnection options.
• Nearest Transmission Line: A 138kV transmission line (owned by Commonwealth Edison Co) is located at 0.6 miles. This proximity to a high-voltage line is generally favorable for future expansion or higher capacity interconnection, but the stated IX voltage points to distribution.
• Likely Interconnection Voltage: The specified "IX Voltage: 12.9 kV" strongly suggests a distribution-level interconnection. This is a common primary distribution voltage for ComEd (Commonwealth Edison), the inferred utility for Cook County, IL. While the 138kV line is close, the immediate target is clearly distribution.
• Estimated Interconnection Cost Range and Timeline: A 1.3-mile distribution line extension to the Dixmoor substation could range from $500,000 to $2,000,000+, depending on terrain, existing infrastructure, and required upgrades at the substation. The "POI Onsite" is excellent, minimizing on-site trenching. ComEd's interconnection queue is notoriously long, with typical timelines for studies and construction ranging from 2 to 4+ years for distribution projects, especially for projects requiring significant upgrades.
• Utility-Specific IX Process & Typical Queue Times: The interconnecting utility is almost certainly ComEd (Commonwealth Edison). ComEd follows a multi-stage interconnection process (Feasibility Study, System Impact Study, Facilities Study). Their queue is often congested, leading to extended study and construction timelines. Early engagement with ComEd's interconnection department is crucial.
• Likely Feeder Configuration: Given the 12.9 kV interconnection voltage, the project will likely connect to a radial distribution feeder originating from the Dixmoor substation. The capacity and stability of this feeder will be critical to the project's viability.

4. Regulatory & Zoning Analysis

• Authority Having Jurisdiction (AHJ): The primary AHJ for local land use and permitting is the Municipality of Markham, Cook County, IL. Cook County may also have overlay regulations or specific permitting requirements.
• Current Zoning for BESS Compatibility: There is a critical discrepancy in the zoning data. The provided data lists "Vacant Land - Vacant Land (General) (Code: -)", while Regrid data indicates "C-2" (Commercial). C-2 zoning typically permits a range of commercial uses.