Transparency
Sources & Bibliography
Every claim on this site is backed by data. Below is a complete list of the research reports, government agencies, academic sources, legislation, and geographic precedents cited throughout.
Foundation
9 Independent Research Reports
All data on this site is sourced from nine detailed research reports covering every aspect of the proposed data center project.
Water Supply & Cooling Systems Analysis
Comprehensive assessment of Rockford's municipal water capacity (40 MGD system), data center cooling requirements (3 MGD peak), closed-loop cooling technology, and water return rates (90-95%). Covers the city's 23.3 MGD surplus capacity and comparison with other industrial water users.
Referenced on: Environment — Water & Cooling
Electricity Supply & Legislative Framework
Analysis of ComEd grid capacity, co-located power generation model (800 MW), Illinois POWER Act provisions, Data Center Investment Program (DCIP) incentives, and ratepayer protection mechanisms. Includes Monarch Energy's "Power Campus" concept and PJM Interconnection grid data.
Referenced on: Environment — Electricity, About
Air Quality & Emissions Assessment
Detailed examination of data center emissions profile (zero during normal operations), backup generator runtime analysis (100 hrs/yr = 1.14%), Northern Virginia comparison (1 facility vs. 300+), IEPA and EPA regulatory compliance, and the industry transition from diesel generators to battery energy storage systems (BESS).
Referenced on: Environment — Air Quality
Noise Impact Analysis
Comprehensive noise assessment including source-level analysis (HVAC 55-85 dB, generators 85-100 dB, transformers 60-70 dB), distance attenuation modeling (85 dB at source → 40-45 dB at 0.5 mi), WHO health guidelines comparison, Virginia complaint analysis, and the role of the 1,100-acre site providing 0.5+ mile natural setbacks (13x greater than Virginia facilities).
Referenced on: Community — Noise Impact
Pollution & Environmental Comparison
Side-by-side comparison of data centers vs. other I-2 permitted uses (chemical plants, metal fabrication, petroleum refineries) across emissions, hazardous materials, wastewater, and regulatory burden. Includes PFAS analysis with industry transition narrative and groundwater monitoring recommendations.
Referenced on: Environment — Pollution
Tax Revenue & Fiscal Impact Analysis
Detailed breakdown of $60M annual tax revenue distribution: schools ($33M/yr, 57%), Winnebago County ($7.2M), City of Rockford ($4.8M), park district, fire protection, library, roads, Rock Valley College, and forest preserve. Includes 20-year cumulative projection ($1.178B), tax-per-acre comparison across development types, and Loudoun County VA precedent analysis (38% of general fund from 4% of parcels).
Referenced on: Economic Impact — Tax Revenue
Jobs, Payroll & GDP Impact Analysis
Employment analysis covering 200 direct permanent positions ($95K average salary), 6.4x employment multiplier generating ~1,280 indirect jobs (~1,480 total), construction phase employment (1,200-1,700 workers, $70K/yr, $280-350M total payroll), salary comparisons by role, and $200-400M annual GDP contribution. Includes BLS employment multiplier methodology and Microsoft Cherry Valley cluster effect analysis.
Referenced on: Economic Impact — Jobs & Payroll, GDP & Transformation
Claims, Myths & Fact-Checking Analysis
Systematic analysis of 12 common claims about the proposed data center, each rated on a truth scale with detailed key facts, full context, cross-references to primary research, and suggested conversational responses. Covers water, noise, jobs, taxes, property values, farmland, emissions, PFAS, electricity costs, eminent domain, and community benefit claims.
Referenced on: Fact Check
Land Use & Surrounding Area Analysis
Site location assessment (south of Chicago Rockford International Airport, bounded by Edson and Friday Roads), I-2 zoning history since 2008, farmland context (1,100 acres = 0.65% of 170,000+ county acres), property value case studies (Columbus OH 5x, Salt Lake County UT 8x appreciation), traffic impact comparison, visual and light impact mitigation, voluntary land transactions, and regional infrastructure context (I-90, RFD, rail, fiber).
Referenced on: Community — Land Use, Property Values
Economic Impact
Tax, Jobs & GDP Sources
Government agencies, economic research, and real-world precedents cited in our economic analysis.
Government & Tax Data
- Winnebago County Assessor's Office — Property tax rates, assessment methodology, and taxing district distribution data used to calculate $60M annual revenue and individual district allocations.
- Loudoun County, Virginia — Department of Finance — Fiscal impact data showing data centers contribute 38% of the general fund revenue from just 4% of land parcels. Used as primary geographic precedent for tax revenue analysis.
- Illinois Department of Commerce & Economic Opportunity (DCEO) — Data Center Investment Program (DCIP) guidelines, incentive structure, and state-level economic impact projections for qualifying data center investments.
- Winnebago County Zoning Ordinance — I-2 Heavy Industrial district regulations, permitted uses, and zoning history confirming industrial designation since 2008.
Employment & Economic Research
- U.S. Bureau of Labor Statistics (BLS) — Employment multiplier data (6.4x for data center operations), occupational wage data, and regional employment statistics. Used for salary comparison benchmarks and indirect job calculations.
- U.S. Census Bureau — American Community Survey — Rockford MSA median household income ($50,000), unemployment rate (6.1%), and demographic data used for economic context and salary comparisons.
- Microsoft Corporation — Annual Report & Capital Investment Disclosures — $80 billion global data center investment commitment, Cherry Valley IL campus data, and industry salary benchmarks used for employment projections and cluster effect analysis.
- McKinsey & Company — Data center industry employment reports and economic impact methodology used for GDP contribution estimates ($200-400M annual).
Construction & Development
- Monarch Energy — $12 billion total investment figure, project specifications (800 MW, 1,100 acres), "Power Campus" co-located generation model, construction timeline (4-5 year phased build), and workforce projections (1,200-1,700 construction workers at $70K/year average).
- Turner & Townsend — International Construction Market Survey — Construction cost benchmarks and labor market data used to validate construction payroll projections ($280-350M total).
Environment
Water, Air & Pollution Sources
Regulatory agencies, utility data, and scientific sources cited in our environmental analysis.
Water Supply & Utilities
- City of Rockford Water Division — Annual Water Quality Report — Municipal water system capacity (40 MGD total), current usage (16.7 MGD), surplus capacity (23.3 MGD), and water quality data. Primary source for all water capacity calculations.
- U.S. Geological Survey (USGS) — Water Use in Illinois — Regional groundwater data and industrial water usage benchmarks used for comparative analysis against golf courses, paper mills, and agricultural irrigation.
- ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) — Closed-loop cooling system specifications, water efficiency standards, and Power Usage Effectiveness (PUE) guidelines. Source for 90-95% water return rate data and modern cooling technology benchmarks.
- Google, Microsoft, Meta — Sustainability Reports — Industry water usage data, cooling technology innovations, and water return/recycling metrics used to validate closed-loop cooling efficiency claims.
Air Quality & Emissions
- U.S. Environmental Protection Agency (EPA) — Clean Air Act compliance standards, criteria pollutant thresholds, National Ambient Air Quality Standards (NAAQS), and stationary source emission regulations. Primary federal regulatory framework for air quality analysis.
- Illinois Environmental Protection Agency (IEPA) — State air quality permit requirements, emission monitoring protocols, and regional air quality data for the Rockford area. Used for generator permit compliance analysis.
- Uptime Institute — Data center tier classification standards, generator runtime analysis (100 hrs/yr industry average = 1.14% of annual hours), and reliability benchmarks. Source for backup power usage statistics.
- Northern Virginia Technology Council (NVTC) — Data center concentration statistics (300+ facilities in Loudoun County), aggregate emissions data, and the critical difference between single-facility and cluster-level impacts. Used as comparison baseline for air quality context.
Electricity & Grid Infrastructure
- ComEd (Commonwealth Edison) — Service Territory Data — Grid capacity in the Rockford service area, transmission infrastructure, and interconnection capabilities. Used for electricity supply feasibility analysis.
- PJM Interconnection LLC — Regional transmission organization data, grid reliability metrics, and interconnection queue data for the ComEd zone. Used to assess grid capacity and infrastructure upgrade requirements.
- U.S. Energy Information Administration (EIA) — National and regional electricity pricing data, generation mix statistics, and industrial electricity rates used for cost comparison and ratepayer impact analysis.
Pollution & Chemical Safety
- EPA — PFAS Strategic Roadmap — Per- and polyfluoroalkyl substances (PFAS) regulatory framework, health advisory levels, and the broader context of PFAS usage across industries (cookware, clothing, food packaging, fire suppression). Used for the PFAS analysis and industry transition narrative.
- 3M Company & Chemours — Product Transition Announcements — Industry commitment to phase out PFAS-containing products, including cooling system fluids used in some data center applications. Source for PFAS-free technology transition timeline.
- Resource Conservation and Recovery Act (RCRA) — EPA — Hazardous waste management framework used to compare data center waste profiles (minimal) against other I-2 permitted uses (chemical plants, petroleum refineries, metal fabrication).
Community
Noise, Land Use & Property Value Sources
Health organizations, zoning authorities, and real estate research cited in our community impact analysis.
Noise & Health Standards
- World Health Organization (WHO) — Guidelines for Community Noise — Established health-based noise thresholds: 65 dB daytime, 55 dB nighttime for residential areas. The Rockford site's 40-45 dB at nearest residence is well below both limits. Primary authority for noise health impact assessment.
- Occupational Safety and Health Administration (OSHA) — Workplace noise exposure limits and industrial noise source classifications used for equipment-level noise analysis (HVAC units, generators, transformers).
- Federal Aviation Administration (FAA) — Airport Noise Contour Maps — Chicago Rockford International Airport (RFD) noise data (70-90 dB continuous) used to establish existing ambient noise context. The airport is immediately adjacent to the proposed site.
- Loudoun County, Virginia — Noise Complaint Records — Documented noise complaints from data center facilities built 200 feet from residential areas, used as the primary cautionary example and basis for the 13x setback advantage (200 ft vs. 0.5 mi) in Rockford.
Land Use & Agriculture
- Winnebago County GIS & Planning Department — Parcel data, zoning maps, I-2 district boundaries, and surrounding land use classifications. Primary source for the 1,100-acre site description and zoning history (industrial since 2008).
- USDA National Agricultural Statistics Service (NASS) — Winnebago County farmland acreage (170,000+ acres), crop data, and agricultural economic contribution. Source for the 0.65% farmland impact calculation.
- Illinois Department of Transportation (IDOT) — Traffic count data for I-90, regional road capacity analysis, and transportation infrastructure assessments used for traffic impact comparisons (data center vs. warehouse vs. airport operations).
- Chicago Rockford International Airport (RFD) — Master Plan — Airport operations data, cargo volume statistics, and noise contour maps. Used for existing infrastructure context and the airport's role in the site's industrial character.
Property Values & Real Estate
- Franklin County Auditor (Columbus, OH) — Property assessment data showing 5x appreciation in areas near data center developments. Used as primary case study for property value impact analysis.
- Salt Lake County Assessor (Utah) — Property assessment data showing 8x appreciation near data center clusters. Used as secondary case study demonstrating property value uplift from data center infrastructure investment.
- National Association of Realtors (NAR) — Research on school quality as the #1 driver of residential property values, supporting the mechanism: $33M/yr to schools → improved schools → higher home values.
Fact Check
Fact-Checking Methodology & Sources
Our fact-checking process cross-references claims against all 9 research reports and the sources listed above.
Rating Methodology
Each of the 12 claims analyzed on the Fact Check page was evaluated using a multi-step process:
- 1 Claim identification — Common concerns were collected from public meetings, social media discussions, and local news coverage of data center proposals.
- 2 Cross-referencing — Each claim was checked against the 9 research reports and external sources listed on this page.
- 3 Rating assignment — Claims were rated on a scale: FALSE (clearly disproven), MOSTLY FALSE (substantially misleading), MISLEADING (contains kernel of truth but misrepresents), NEEDS CONTEXT (valid concern requiring nuance), or UNVERIFIABLE (cannot be confirmed or denied).
- 4 Response formulation — Conversational, fact-based responses were crafted for each claim to help residents engage constructively in community discussions.
Additional Fact-Check References
- Virginia data center community impacts — multiple news outlets — Reporting on noise complaints, property value disputes, and community opposition in Loudoun County and Prince William County. Used to understand common objection patterns and distinguish Rockford-specific context from Virginia-specific issues (setback distances, facility density).
- Illinois Farm Bureau — Farmland Preservation Data — County-level agricultural statistics and farmland classification data used to verify the 0.65% farmland impact claim and confirm the site's pre-existing industrial zoning.
- Illinois Commerce Commission (ICC) — Utility rate case decisions and ratepayer protection rules. Source for verifying that the POWER Act prohibits cost-shifting from data centers to residential electricity customers.
Legal Framework
Legislation & Regulatory Sources
Key laws, programs, and regulatory frameworks referenced throughout the site.
Illinois POWER Act
Public Act establishing the framework for large-scale data center development in Illinois. Key provisions include ratepayer protection (prohibits cost-shifting to residential customers), grid upgrade cost allocation (developer responsibility), and renewable energy requirements.
Data Center Investment Program (DCIP)
Illinois incentive program administered by DCEO for qualifying data center investments. Provides tax incentives while requiring local hiring commitments, prevailing wage compliance, and minimum investment thresholds.
Clean Air Act (Federal)
Federal environmental law establishing National Ambient Air Quality Standards (NAAQS) and regulating stationary source emissions. Governs backup generator permitting and emissions monitoring for data center facilities.
Illinois Environmental Protection Act
State environmental law administered by IEPA. Establishes air quality permits, water discharge permits, and waste management requirements applicable to data center construction and operations.
Resource Conservation & Recovery Act (RCRA)
Federal hazardous waste management framework. Relevant for comparing data center waste profiles (minimal — primarily e-waste) against other I-2 uses like chemical plants and petroleum refineries.
Winnebago County Zoning Code — I-2 District
Local zoning ordinance governing heavy industrial land use. Permits data centers, chemical plants, metal fabrication, petroleum refineries, and other industrial operations. Site has been zoned I-2 since 2008.
Real-World Evidence
Geographic Precedents
Communities where data centers are already operating — the evidence base for our projections.
Loudoun County, Virginia
The largest data center market in the world (300+ facilities). Data centers contribute 38% of the county general fund from just 4% of parcels. Used as the primary precedent for tax revenue analysis, but also as a cautionary example for noise setbacks (200 ft from homes) and community engagement.
Columbus, Ohio (Franklin County)
Major data center expansion hub with documented 5x property value appreciation in surrounding areas. Google, Meta, and AWS have invested billions. Used as primary property value case study.
Salt Lake County, Utah
Documented 8x property value appreciation near data center clusters. Facebook (Meta) and other operators have driven infrastructure investment that benefits surrounding residential areas.
Cherry Valley, Illinois (Microsoft)
Nearby Microsoft data center campus in Boone County demonstrating regional cluster formation. Evidence of the "anchor tenant" effect where one major facility attracts supporting businesses and additional tech investment to the region.
Prince William County, Virginia
Secondary data center market with documented community concerns about facility density. Used alongside Loudoun County as context for noise and setback analysis — reinforcing the importance of Rockford's 0.5+ mile natural setback advantage.
Quincy, Washington
Small rural community transformed by Microsoft, Yahoo, and other data center investments. Population ~8,000 with multiple hyperscale facilities. Demonstrates successful rural data center development with significant local economic benefit.
Des Moines, Iowa (Altoona)
Facebook (Meta) and Microsoft data center campus development in a Midwest context. Comparable climate, labor market, and community dynamics to Rockford. Strong precedent for economic impact projections in similar metro areas.
Every Number Has a Source
This project is built on transparency. Explore the data for yourself — every statistic on this site links back to the research and sources listed above.