Chester County, PA — Solar Development Risk Assessment

Local solar ordinance barriers, board sentiment, and utility policies that affect development timelines and risk.

39.5
Risk Grade
Good
Affluent rural western portions have utility-scale potential; strong preservation ethic; agricultural district complications; some solar-friendly townships
Assessment Snapshot
Population
545,823
State Rank
#3
Compliance
55%
Trajectory
40

Moratorium Status

✓ No Active Moratorium
No Moratorium

Ordinance & Regulations

Setback Requirements
None codified at county level. Municipal (township/borough) setbacks govern.
Zoning Mechanism
Municipal Planning Board/Zoning Hearing Board: CUP or Special Exception. No county-level siting authority in PA; each municipality has own zoning ordinance.
Acreage Caps
None codified at county level.
Density Caps
None codified at county level.
Spacing Rules
None codified at county level.
Size Restrictions
None codified at county level.

Board Sentiment & Political Risk

Sentiment Analysis
Mixed — high-income agricultural preservation sentiment; some municipalities proactively permissive; Act 43 farmland issues
Basis for Assessment
Affluent rural western portions have utility-scale potential; strong preservation ethic; agricultural district complications; some solar-friendly townships
Political Risk Factors
Improving
Board Members
Josh Maxwell | D | Jan 2028 Marian Moskowitz | D | Jan 2028 Eric Roe | R | Jan 2028

Grid, Utilities & State Context

Grid Operator
PJM / PECO (Exelon) transmission zone
Utilities
PECO (Exelon), PPL Electric Utilities (eastern portions)
State Permitting Process
Local permit: Conditional Use or Special Exception in agricultural zoning district; governed by PA Municipalities Planning Code (MPC), 53 P.S. §10101 et seq. No statewide preemption of local ordinances — municipalities and counties may restrict or prohibit utility-scale solar without state override. ~5% of PA's 2,559 municipal codes explicitly address grid-scale solar (Penn State Dickinson Law, 2023); most projects require ordinance amendment or variance. No state CPCN requirement for solar. Net metering available under PA Act 35 of 2007. AEPS Act 213 of 2004: ~18% renewable energy standard; no significant solar carve-out.
State Incentives
PA Alternative Energy Portfolio Standard (AEPS): 18% Tier I renewable by 2021 (met); no solar-specific carve-out in AEPS — PA's renewable credit market is small vs. NJ/MD. Net metering: PA Act 35 of 2007; net metering for systems up to 5 MW; PPL, PECO, Met-Ed, West Penn, Penelec, Penn Power offer programs. SREC market: very limited; PA SRECs trade at near-floor value. USDA REAP grants and loans: available for rural projects. PACE financing: available in Allegheny, Philadelphia, and other PA counties. Solar not preempted: all PA utility-scale permitting at local zoning level. Utility varies by county: PECO (Philadelphia/SE PA); PPL (eastern/central PA); West Penn Power (FirstEnergy, SW/western PA); Met-Ed (eastern border); Penelec (Allegheny/NW PA areas); Duquesne Light (Allegheny County metro).

Development Activity

Active/Completed Projects
Chester County ranks #2 in PA for solar capacity (839 installations, 20.88 MW). Longwood Gardens | 1.57 MW | Kennett Square, Chester County | operational 2011 | 10 acres | ~30% of Gardens' yearly energy. Chester/Bucks/Delaware/Montgomery: Sustainable Energy Partnership (SEP) formed Aug 2024 — goal 100% renewable county operations by 2035 (chesco.org). PECO Energy serves Chester County. High income suburban county; many institutional/commercial solar projects.
Denied/Withdrawn Projects
No confirmed township-level solar denial on record for Chester County as of Mar 2026. PA has no statewide solar siting authority — township/borough zoning controls. Contact individual township zoning offices in Chester County for recent CUP history.

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