Hi-Rel Plastics & Molding Corp. provides custom plastic molding, mold and tooling manufacturing, engineering, rapid prototyping, custom plastic and metal parts manufacturing, assembly and secondary manufacturing services for renewable energy companies, clean-energy equipment manufacturers, solar equipment OEMs, energy storage manufacturers, EV charging companies, water-management companies and sustainability-focused manufacturers throughout California and across the United States.
With more than 40 years of plastics manufacturing experience and ISO 9001:2015, AS9100 Rev D and ISO 13485:2016 certifications, Hi-Rel Plastics & Molding supports renewable energy manufacturing programs from early product development and prototyping through tooling, production molding, secondary operations and assembly.
Our manufacturing capabilities include plastic injection molding, blow molding, liquid silicone rubber (LSR) molding, thermoforming and vacuum forming, rotational molding, mold and tool manufacturing, 3D printing and rapid prototyping, custom plastic and metal parts manufacturing, mechanical assembly, cable assembly, ultrasonic welding, pad printing and additional secondary manufacturing services.
From solar power and wind energy to battery energy storage systems, EV charging infrastructure, hydrogen systems, water treatment and recycling equipment, Hi-Rel Plastics & Molding can help OEMs manufacture durable components engineered for demanding environments.
Renewable-energy equipment frequently operates outdoors or within electrically, mechanically and thermally demanding systems.
Plastic components may need to withstand:
Engineering thermoplastics can provide advantages such as corrosion resistance, electrical insulation, reduced component weight and the ability to consolidate complex features into molded components.
Hi-Rel Plastics & Molding works with customers to evaluate component design, material selection and manufacturing processes based on the requirements of each renewable energy application.
Flexible molding processes support a wide variety of part designs and applications.
Engineering-grade resins selected for strength, wear resistance, and longevity.
Precision molding ensures repeatable, reliable components across every run.
Efficient processes designed to support both custom and high-volume manufacturing needs.
Custom plastic injection molding can produce precision components for renewable energy equipment in prototype, low-, medium- and high-volume production quantities.
Applications can include:
Additional capabilities can include insert molding, overmolding and vertical injection molding for applications requiring metal inserts, threaded hardware, electrical components or multiple materials.
Solar installations require durable components capable of long-term performance in outdoor environments.
Hi-Rel Plastics & Molding can support custom molded components for:
Engineering materials can be evaluated for UV resistance, temperature performance, electrical properties, impact resistance and long-term environmental exposure.
Battery energy storage systems are becoming increasingly important to renewable-energy infrastructure.
Plastic components may provide electrical insulation, corrosion resistance, weight reduction and design flexibility within energy-storage equipment.
Potential applications include:
Material selection should consider electrical properties, temperature exposure, mechanical loading, environmental conditions and any applicable flame-retardancy requirements.
The expansion of electric vehicles is driving demand for durable charging infrastructure.
Hi-Rel Plastics & Molding can manufacture custom plastic components for EV charging equipment including:
Our related Automotive & Electric Vehicle manufacturing capabilities can support programs that overlap automotive, transportation and charging infrastructure markets.
Wind-energy systems require components capable of operating under vibration, temperature fluctuations, moisture and long-term outdoor exposure.
Potential molded components include:
Lightweight engineered plastics can also provide corrosion resistance and electrical insulation in appropriate applications.
Hydrogen production, fuel cells and related clean-energy systems continue to create opportunities for engineered plastic and elastomeric components.
Potential applications can include:
Material suitability should be evaluated carefully based on the exact chemical environment, pressure, temperature and performance requirements of each hydrogen or fuel-cell application.
Sustainability extends beyond energy generation to water conservation, water treatment, wastewater management and resource recovery.
Hi-Rel Plastics & Molding can manufacture components for:
Materials can be evaluated for chemical compatibility, moisture resistance, dimensional requirements and long-term service conditions.
Custom blow molding can manufacture hollow plastic components for fluid storage, chemical handling and environmental applications.
Hi-Rel Plastics & Molding supports extrusion blow molding, injection blow molding and injection stretch blow molding.
Potential applications include:
Depending on project requirements, secondary operations can include trimming, leak testing, labeling, printing, assembly, filling and sealing.
Liquid silicone rubber molding can produce flexible components requiring sealing, temperature resistance and environmental durability.
Renewable-energy LSR applications can include:
LSR can be especially useful in outdoor and electrical equipment requiring long-term flexible sealing.
Thermoforming and vacuum forming can provide economical manufacturing solutions for larger panels, trays, equipment covers and protective components.
Applications may include:
Thermoforming can be especially attractive for larger components or production quantities where injection molding tooling may not provide the best economics.
Rotational molding is well suited for large hollow components requiring durability and seamless construction.
Potential applications include:
Rotational molding can provide a practical manufacturing option for large, durable products used outdoors or in demanding sustainability applications.
Components Successful renewable-energy production begins with reliable tooling.
Hi-Rel Plastics & Molding provides mold and tool manufacturing support for injection molding, blow molding, LSR molding, thermoforming, vacuum forming and rotational molding projects.
Tooling capabilities can include:
Combining tooling and production manufacturing can help renewable-energy OEMs transition more efficiently from development to ongoing production.
Renewable-energy products are continually evolving, making engineering support and rapid design validation important during product development.
Hi-Rel Plastics & Molding can support:
Our 3D printing and rapid prototyping services can help customers evaluate product concepts, form, fit and assembly before production tooling is finalized.
Renewable-energy components may require materials capable of surviving heat, sunlight, moisture, chemicals and electrical environments.
Depending on the application, potential materials include:
Material selection can consider:
The exact resin grade should always be selected based on the application’s environmental, regulatory and engineering requirements.
Where product specifications permit, renewable-energy and sustainability-focused manufacturers may evaluate recycled-content, recyclable or lower-impact material options.
Depending on component requirements and supplier availability, possible strategies may include:
Sustainability claims should be tied to the specific resin grade, recycled-content documentation and product requirements rather than assumed from the polymer family alone.
Hi-Rel Plastics & Molding can work with customers and material suppliers to evaluate suitable resin options for appropriate projects.
Renewable-energy OEMs may be able to replace selected metal components with engineered thermoplastics.
Depending on engineering requirements, metal-to-plastic conversion may provide opportunities to:
Not every metal component is suitable for plastic conversion. Loads, temperature, electrical requirements, environmental exposure, tolerances and service life must be evaluated.
Renewable-energy systems commonly combine plastic housings, metal brackets, inserts, cables, fasteners, sensors and electrical components.
Hi-Rel Plastics & Molding can support custom plastic components together with plastic and metal CNC machining for appropriate projects.
Combining different manufacturing technologies through a single supplier can help OEMs simplify procurement and assembly.
Renewable-energy products increasingly integrate electrical, mechanical and electronic components.
Hi-Rel Plastics & Molding provides assembly services that can include:
These capabilities are particularly relevant for charging equipment, solar electronics, battery systems, environmental sensors and other electromechanical products.
Hi-Rel Plastics & Molding provides ultrasonic insertion and ultrasonic welding along with other value-added secondary services.
Capabilities can include:
These operations can help transform molded components into more complete renewable energy assemblies.
Sustainability-focused manufacturing also includes equipment that supports recycling, material recovery and waste reduction.
Potential products include:
Durable plastics can provide corrosion resistance, impact performance and long service life in demanding recycling and waste-management environments.
Hi-Rel Plastics & Molding Corp. maintains:
These certifications support controlled manufacturing, documentation, inspection, process consistency and continuous improvement.
Learn more about Hi-Rel Plastics & Molding’s quality management systems.
Although most renewable-energy components do not require cleanroom production, specialized battery, electronics, sensor or high-purity products may require greater contamination control.
Hi-Rel Plastics & Molding offers both:
Our cleanroom molding capabilities and clean room assembly services are available for qualifying projects requiring controlled manufacturing.
Hi-Rel Plastics & Molding can combine multiple services into a more complete manufacturing solution for renewable-energy OEMs.
A typical project may include:
Engineering Review → DFM → Rapid Prototype → Material Selection → Mold & Tool Manufacturing → Production Molding → CNC Machining → Secondary Operations → Mechanical / Cable Assembly → Inspection → Packaging
This integrated approach can reduce the number of suppliers involved in a project and improve communication from product development through recurring production.
We Support Hi-Rel Plastics & Molding can support manufacturers serving:
Related manufacturers can also explore our Automotive & Electric Vehicle, Electronics, Industrial Equipment and Agricultural Equipment manufacturing capabilities.
Hi-Rel Plastics & Molding Corp. is headquartered in Riverside, California and supports renewable-energy and sustainability-focused manufacturers throughout:
Companies searching for a renewable energy plastic injection molding company in California, clean-energy components manufacturer, solar plastic parts manufacturer, BESS plastic components supplier or renewable-energy contract manufacturer in the USA can work with Hi-Rel Plastics & Molding from development through production.
Multiple Manufacturing Processes
Injection molding, blow molding, LSR molding, thermoforming, vacuum forming and rotational molding provide flexibility across renewable-energy applications.
Engineering & Rapid Prototyping
DFM, material evaluation, Mold Flow Analysis and rapid prototyping can help reduce development risk.
Mold & Tool Manufacturing
Tooling support helps customers move from concept to scalable production.
Engineering-Grade Materials
Materials can be selected around UV, heat, chemical, electrical and mechanical requirements.
Plastic & Metal Components
Molding and CNC machining capabilities can support products containing both plastic and metal components.
Mechanical & Cable Assembly
Assembly services can support solar, battery, charging and other electromechanical products.
ISO-Certified Quality Systems
ISO 9001:2015, AS9100 Rev D and ISO 13485:2016 certifications support disciplined quality-management practices.
ISO Class 7 & ISO Class 8 Cleanroom Capabilities
Controlled manufacturing is available for specialized products where contamination control is required.
40+ Years of Plastics Manufacturing Experience
Decades of manufacturing experience support product development, tooling and long term OEM production.
California Manufacturing Support for Nationwide OEMs
Hi-Rel Plastics & Molding serves clean-energy companies throughout California and across the United States.
What renewable-energy components can be injection molded?
Injection molding can manufacture solar mounting components, electrical housings, cable-management parts, battery-system components, EV charger housings, connector components, insulators, sensor housings and many other clean-energy plastic parts.
What plastics are used for outdoor renewable-energy equipment?
Possible materials include UV-stabilized grades of polypropylene, polyethylene, polycarbonate, nylon, PBT and other engineering thermoplastics. The specific resin should be selected based on UV exposure, temperature, mechanical loads, electrical requirements and expected service conditions.
Can Hi-Rel Plastics & Molding manufacture battery energy storage components?
Hi-Rel Plastics & Molding can support suitable molded components such as module housings, spacers, electrical insulation parts, connector housings, cable-management components, covers and other BESS components based on project requirements.
Can you manufacture EV charging equipment components?
Yes. Potential applications include charger housings, connector components, cable management parts, electrical insulators, control-panel components and protective covers.
Does Hi-Rel Plastics & Molding manufacture tooling for renewable-energy components?
Yes. Hi-Rel Plastics & Molding supports mold and tool manufacturing for injection molding, blow molding, LSR molding, thermoforming, vacuum forming and rotational molding projects.
Can recycled resin be used in renewable-energy plastic components?
Potentially. Recycled-content materials can be evaluated where product performance, regulatory, appearance and engineering requirements allow. Suitability depends on the specific material grade and application.
Can Hi-Rel Plastics & Molding help convert a metal energy component to plastic?
Yes, suitable applications can be evaluated for potential metal-to-plastic conversion. Mechanical loading, temperature, electrical requirements, dimensional requirements and environmental exposure need to be considered first.
Does Hi-Rel Plastics & Molding provide assembly?
Yes. Available capabilities include mechanical assembly, cable assembly, ultrasonic welding, heat staking, adhesive bonding, hardware installation and additional secondary operations.
Does Hi-Rel Plastics & Molding serve renewable-energy customers outside California?
Yes. Hi-Rel Plastics & Molding is headquartered in Riverside, California and supports renewable-energy companies throughout California and across the United States.
Whether your project requires a solar equipment component, battery-system housing, EV charging part, LSR seal, blow molded reservoir, rotational molded tank, custom mold, machined component or complete renewable-energy assembly, Hi-Rel Plastics & Molding Corp. can support your program from engineering and prototyping through production.
Contact Hi-Rel Plastics & Molding Corp. to discuss your drawings, CAD files, materials, tooling requirements and estimated production quantities.
Hi-Rel Plastics manufactures precision plastic components for sustainability and renewable energy systems, supporting everything from part evaluation and prototyping to tooling, production, and secondary operations. Our team works with durable materials and functional designs to meet the performance, environmental, and reliability demands of sustainability-focused applications.
Sustainability and renewable energy components require durability, precision, and long-term reliability to perform in demanding environmental and energy applications. Hi-Rel Plastics produce precision-molded parts designed to withstand UV exposure, temperature variation, moisture, and harsh operating conditions across a wide range of renewable and sustainable technologies.
With experience in advanced engineering resins and quality-driven manufacturing, we help renewable energy manufacturers and OEMs produce reliable molded components that meet both functional and production requirements for solar, energy storage, water management, and other sustainability-focused applications.
Injection Molding
Blow Molding
Liquid Silicone Rubber (LSR) Molding
Thermoforming / Vacuum Forming
Rotational Molding
Flexible molding processes support a wide variety of part designs and applications.
Engineering-grade resins selected for strength, wear resistance, and longevity.
Precision molding ensures repeatable, reliable components across every run.
Efficient processes designed to support both custom and high-volume manufacturing needs.
