This article applies to all solar energy installations in the
City of Mendota.
The purpose of this article is to promote and encourage economic
development, while maintaining order in the construction, installation
and operation of solar energy systems (SES) in the City of Mendota,
while ensuring protection of the health, safety and welfare of the
residents of the City of Mendota by promoting the safe, effective
and efficient use of solar energy to reduce on-site consumption of
fossil fuels or utility-supplied electric energy. Also, to avoid adverse
impact to important areas such as agricultural land, endangered species
habitats, conservation land and other sensitive lands. This article
shall not be deemed to nullify any provisions of local, state or federal
law.
As used in this article, the following terms shall have the
meanings indicated:
ACTIVE SOLAR ENERGY SYSTEM
A solar energy system whose primary purpose is to harvest
energy by transforming solar energy into another form of energy or
transferring heat from a collector to another medium using mechanical,
electrical or chemical means.
BUILDING-INTEGRATED SOLAR ENERGY SYSTEMS
An active solar energy system that is an integral part of
a principal or accessory building, rather than a separate mechanical
device, replacing or substituting for an architectural or structural
component of the building. Building-integrated systems include but
are not limited to photovoltaic or hot water solar energy systems
that are contained within roofing materials, windows, skylights and
awnings.
OFF-GRID SOLAR ENERGY SYSTEM
A photovoltaic solar energy system in which the circuits
energized by solar energy system are not electrically connected in
any way to electric circuits that are served by an electric utility
company.
PASSIVE SOLAR ENERGY SYSTEM
A solar energy system that captures solar light or heat without
transforming it to another from of energy or transferring the energy
via a heat exchanger.
RENEWABLE ENERGY EASEMENT, SOLAR ENERGY EASEMENT
An easement that limits the height or location, or both,
of permissible development on the burdened land in terms of a structure
or vegetation, or both, for the purpose of providing access for the
benefitted land to wind or sunlight passing over the burdened land.
SOLAR ACCESS
Unobstructed access to direct sunlight on a lot or building
through the entire year, including access across adjacent parcel air
rights, for the purpose of capturing direct sunlight to operate a
solar energy system.
SOLAR COLLECTOR
An assembly, structure and the associated equipment and housing,
designed for gathering, concentrating or absorbing direct and indirect
solar energy for which the primary purpose is to convert or transform
solar radiant energy into thermal, mechanical, chemical or electrical
energy.
SOLAR ENERGY
Radiant energy received from the sun that can be collected
in the form of heat or light by a solar collector.
SOLAR ENERGY SYSTEM (SES)
All components required to become a complete assembly or
structure that will convert solar energy into electricity for use.
SOLAR ENERGY SYSTEM ADDITION
A private solar energy system which is structurally attached
to a building or structure on the zoning lot on which said system
is located.
SOLAR ENERGY SYSTEM, PRIVATE
A collection of one or more solar collectors designed for
use by the occupant(s) of the zoning lot on which said system is located;
excess power generation is limited to net metering or similar technology
with regulations set by the local power utility, community, county
and state. Private solar energy system equipment shall conform to
applicable industry standards and applications for building permits
for private solar energy systems shall submit certificates from equipment
manufacturers that the equipment is manufactured in compliance with
industry standards.
SOLAR FARM
A commercial facility that converts sunlight into electricity,
whether by photovoltaics (PV), concentrating solar thermal devices
(CST) or other conversion technology, for the primary purpose of wholesale
sales of generated electricity. A solar farm is the principal land
use for the parcel on which it is located.
SOLAR HEAT EXCHANGER
A component of a solar energy device that is used to transfer
heat from one substance to another, either liquid or gas.
SOLAR HOT AIR SYSTEM
An active solar energy system (also referred to as solar
air heat or solar furnace) that includes a solar collector to provide
direct supplemental space heating by heating and recirculating conditioned
building air.
SOLAR HOT WATER SYSTEM
A system (also referred to as solar thermal system) that
includes a solar collector and a heat exchanger that heats or preheats
water for building heating systems or other hot water needs, including
residential domestic hot water and hot water for commercial processes.
SOLAR MOUNTING DEVICES
Racking, frames or other devices that allow the mounting
of a solar collector onto a roof surface or the ground.
SOLAR STORAGE UNIT
A component of a solar energy device that is used to store
solar generated electricity or heat for later use.
Active solar energy systems shall be designed to conform to
the surrounding zoning and blend into the architecture of the building
or may be required to be screened from routine view from public rights-of-way
other than alleys. Screening may be required to the extent it does
not affect the operation of the system.
A. Building-integrated photovoltaic systems. Building-integrated photovoltaic
solar energy systems shall be allowed regardless of whether the system
is visible from the public right-of-way, provided the building component
in which the system is integrated meets all required setback, land
use or performance standards for the district in which the building
is located.
B. Solar energy systems with mounting devices. SES using roof-mounting
devices or ground-mounting devices shall not be restricted if the
system is not visible from the closest edge of any public right-of-way
or immediately adjacent to a residential structure.
C. Reflectors. All SES using a reflector to enhance solar production
shall minimize glare from the reflector affecting adjacent or nearby
properties. Measures to minimize glare include selective placement
of the system, screening on the north side of the solar array, modifying
the orientation of the system, reducing use of the reflector system
or other remedies that limit glare.
D. Aviation protection. For solar units located within 500 feet of an
airport or within approach zones of an airport, the applicant must
compete and provide the results of the solar glare hazard analysis
tool (SGHAT) for the airport traffic control tower cab and final approach
paths, consistent with the interim policy, FAA Review of Solar Energy
Projects on Federally Obligated Airports, or most recent version adopted
by the FAA.
All SES shall require administrative plan approval by the City
of Mendota via the review of the application for a building permit.
A. Plan applications. Plan applications for solar energy systems shall
be accompanied by horizontal and vertical (elevation) drawings. The
drawings must show the location of the system on the building or on
the property for a ground-mounted system, including the property lines.
(1) Pitched roof-mounted solar energy systems. For all roof-mounted systems
other than a flat roof, the elevation must show the highest finished
slope of the solar collector and the slope of the finished roof surface
on which it is mounted.
(2) Flat roof-mounted solar energy systems. For flat roof-mounted applications,
a drawing shall be submitted showing the distance to the roof edge
and any parapets on the building and shall identify the height of
the building on the street frontage side, the shortest distance of
the system from the street frontage edge of the building, and the
highest finished height of the solar collector above the finished
surface of the roof.
B. Plan approvals. Applications must be approved by the following departments:
Building Inspector, Code Enforcer, Water and Sewer Superintendent,
Public Works Superintendent, Fire Chief and City Engineer.
Electric solar energy system components must have a UL listing
or approved equivalent and solar hot water systems must have an SRCC
rating.
All active solar energy systems shall meet approval of the Building
Inspector, consistent with the International Building Code; The International
Mechanical Code, Life Safety Code, and any/all HVAC and Plumbing Codes
adopted by the City of Mendota.
All grid-intertie solar energy systems shall comply with the
interconnection requirements of the electric utility. Off-grid systems
are exempt from this requirement.
The City of Mendota encourages the development of commercial
or utility scale solar energy systems when such systems present few
or no use conflicts with current and future development patterns.
Ground-mounted solar energy systems that are the principal use on
the zoning lot or lots are allowed in M-Manufacturing District only.
Ground-mounted solar energy systems that are the primary use
on the parcel, designed for providing energy to off-site uses or export
to the wholesale market, are permitted in M - Manufacturing District
only and under the following standards:
A. Stormwater and NPDES. Solar farms are subject to the City of Mendota's
stormwater management regulations, erosion and sediment control provisions and NPDES permit
requirements.
B. Ground cover and buffer areas. Top soils shall not be removed during
development, unless part of a remediation effort. Soils shall be planted
to and maintained in perennial vegetation to prevent erosion, manage
run off and build soil. A plan must be approved by the Soil and Water
Conservation District and paid for by the developer. No noxious weeds
will be permitted. Due to potential liability under the Illinois Endangered
Species Protection Act, it is required that any crops planted be in compliance
with all federal and state laws protecting endangered species. This
will also include pollinators such as bees. Any fees associated with
compliance shall be paid for by the developer.
C. Foundations. A qualified engineer shall certify that the foundation
and design of the solar panel racking and supports are within accepted
professional standards, given local soil and climate conditions.
D. Other standards and codes. All solar farms shall be in compliance
with all applicable local, state and federal regulatory codes, including
the International Building Codes and National Electric Code that are
currently adopted by the City of Mendota.
E. Power and communication lines. Power and communication lines running
between banks of solar panels and to nearby electric substations or
interconnections with buildings shall be buried underground. Exemptions
may be granted by the City of Mendota in instances where shallow bedrock,
water courses or other elements of the natural landscape interfere
with the ability to bury lines, or distance makes burying infeasible,
at the discretion of the City of Mendota. In addition, the Illinois
Department of Agriculture (IDOA) has established standard and policies
in the agricultural impact mitigation agreements (AIMA) regarding
the construction or burial of electric transmission lines which should
be agreed to and adhered to between the landowner and the developer.
F. Site plan required. A detailed site plan for both existing and proposed
conditions must be submitted, showing location of all solar arrays,
other structures, property lines, rights-of-way, service roads, floodplains,
wetlands and other protected natural resources, topography, farm tile,
electric equipment, fencing and screening materials and all other
characteristics requested by the City of Mendota. The site plan should
also show all zoning districts and overlay districts.
G. Aviation protection. For solar farms located within 500 feet of an
airport or within approach zones of an airport, the applicant must
complete and provide the results of the solar glare hazard analysis
tool (SGHAT) for the airport traffic control tower cab (if applicable)
and final approach paths, consistent with the interim policy, FAA
Review of Solar Energy Projects on Federally Obligated Airports, or
most recent version adopted by the FAA.
H. Endangered species and wetlands. Solar farm developers shall be required
to initiate a natural resource review consultation with the Illinois
Department of Natural Resources (IDNR) through the department's online
EcoCat program. Areas reviewed through this process will be endangered
species and wetlands. The cost of the EcoCat consultation will be
borne by the developer.
I. The owner of a commercial solar energy farm shall provide a copy
of the decommissioning plan. The plan must include a schedule that
states the length of time it will take to completely dismantle and
restore the property to pre-solar farm conditions.
J. Upon request form the City of Mendota, the owner or operator of a
solar energy farm must submit, within 14 days, a current operation
and maintenance report.
K. In all undeveloped areas, the solar energy developer will be required
to complete a consultation with both the Illinois Historic Preservation
Agency (IHPA) and the Illinois Department of Natural Resources (IDNR)
through the Department's online EcoCat program. The cost of this consultation
shall be at the developer's expense. The final certificate from EcoCat
shall be provided to the City of Mendota before a building permit
is issued.
L. The owner of a commercial solar energy farm shall provide a copy
of a current field tile survey and will be responsible for repairing
any damage to drain tiles and other drainage systems that result from
the construction, operation or maintenance of the solar energy system.
M. No fencing is required. However, if a fence is installed on the property,
the fence shall have a maximum height of eight feet. The fence shall
contain appropriate signage that is clearly visible.
N. Any lighting for solar farms shall be installed for security and
safety purposes only. All lighting shall be shielded so that no glare
extends beyond the boundaries of the facility.
O. Reflection angles for solar collectors shall be oriented such that
they do not project glare onto adjacent properties.
P. The City of Mendota shall be notified in writing of any change in
ownership and/or management of the solar energy farm.
Q. Electric solar energy system components must have a UL listing and
must be designed with anti-reflective coating(s).
R. Solar energy systems must be in compliance with all State of Illinois
building, electric, plumbing and energy codes.