Pipefitters and Solar Installers represent two different sides of America’s energy and infrastructure workforce.
Pipefitters build and maintain complex piping systems used in industrial facilities, power plants, manufacturing plants, and commercial buildings. Solar Installers build photovoltaic systems that convert sunlight into electricity for homes, businesses, and utility projects.
Although both careers involve installation work, technical systems, and safety procedures, the skills, industries, and career paths are significantly different.
The biggest difference is:
- Pipefitters install and maintain mechanical piping systems that transport fluids, gases, steam, and industrial materials.
- Solar Installers install renewable energy systems that generate electricity from sunlight.
Pipefitters typically work in industrial and mechanical environments where precision, safety, and system reliability are critical. Solar Installers typically work in construction and renewable energy environments where installation quality and electrical safety determine system performance.
Pipefitter vs Solar Installer: Quick Comparison
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| Comparison Factor | Pipefitter | Solar Installer | Why It Matters |
|---|---|---|---|
| BLS Occupation | Plumbers, Pipefitters, and Steamfitters (SOC 47-2152) | Solar Photovoltaic Installers (SOC 47-2231) | Both are skilled trades but support different infrastructure systems. |
| Main Responsibility | Install and maintain industrial piping systems | Install and maintain solar photovoltaic systems | Pipefitters support mechanical infrastructure; Solar Installers support renewable energy. |
| Main Equipment | Pipes, valves, pumps, pressure systems, boilers | Solar panels, inverters, batteries, mounting systems | The equipment determines the required technical knowledge. |
| Primary Workplace | Industrial plants, power facilities, construction sites | Rooftops, commercial buildings, solar farms | Pipefitters work around industrial systems; Solar Installers work around energy projects. |
| 2024 Median Salary | Approximately $62,970 per year | Approximately $48,800 per year | Pipefitters generally earn more because of specialized industrial skills and apprenticeship requirements. |
| Training Path | Registered apprenticeship, trade school, union training | Solar training programs, electrical courses, employer training | Pipefitting usually requires a longer structured training pathway. |
| Core Technical Skill | Piping systems, welding, mechanical installation | Photovoltaic systems, electrical connections, solar technology | The careers require different technical foundations. |
| Electrical Knowledge | Industrial controls, equipment connections, mechanical systems | PV wiring, inverters, batteries, electrical systems | Solar work is more directly connected to electrical systems. |
| Mechanical Knowledge | Advanced mechanical systems and industrial equipment | Mounting systems and construction installation | Pipefitters require deeper mechanical system knowledge. |
| Physical Demand | High — lifting pipes, welding, industrial installation | High — lifting panels, rooftop work, outdoor installation | Both require physical ability but in different environments. |
| Work Environment | Factories, refineries, power plants, commercial buildings | Residential, commercial, and utility solar projects | One focuses on industrial infrastructure; the other focuses on renewable energy infrastructure. |
| Licensing Requirements | Often regulated through plumbing/mechanical contractor rules | May require electrical or solar contractor licensing | State regulations vary significantly. |
| Career Advancement | Apprentice → Journeyman → Foreman → Mechanical Contractor | Installer → Lead Installer → Solar Project Manager → Solar Contractor | Both provide leadership and business opportunities. |
| Industry Connection | Manufacturing, energy, construction, industrial facilities | Renewable energy, construction, electrical industries | Career stability depends on industry demand. |
| Best Fit | People who enjoy mechanical systems and industrial problem-solving | People interested in renewable energy and electrical technology | The better choice depends on personal interests and career goals. |
Data Source: Salary information is based on the U.S. Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics (May 2024). Job duties and skill requirements are based on BLS Occupational Outlook Handbook, O*NET Online, and CareerOneStop career profiles. Licensing information references state plumbing and mechanical licensing boards, electrical contractor licensing agencies, solar regulations, OSHA safety standards, and construction requirements.
What Is the Main Difference Between a Pipefitter and a Solar Installer?
The main difference between Pipefitters and Solar Installers is the type of infrastructure they build and maintain.
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| Career | Main Question the Worker Solves |
|---|---|
| Pipefitter | How can fluids, gases, and industrial materials move safely through complex piping systems? |
| Solar Installer | How can sunlight be converted into reliable electrical power? |
Pipefitters are essential in industries where temperature, pressure, and system reliability matter. Their work supports manufacturing, energy production, chemical processing, and large commercial buildings.
Solar Installers are essential in the renewable energy sector. Their work supports the transition toward cleaner electricity generation and distributed energy systems.
Pipefitter Career Focus
Pipefitters specialize in installing and maintaining piping systems that carry steam, chemicals, fuel, gases, and other industrial materials.
According to BLS and O*NET, Pipefitters commonly perform tasks such as:
- Installing industrial piping systems
- Reading blueprints and technical drawings
- Cutting and fitting pipes
- Welding and brazing pipe connections
- Installing valves and pressure systems
- Testing piping systems for safety
- Maintaining mechanical systems
Unlike general plumbing work, Pipefitting often involves larger-scale systems used in industrial environments.
Solar Installer Career Focus
Solar Installers specialize in installing photovoltaic systems that generate electricity from sunlight.
Their responsibilities commonly include:
- Installing solar panels
- Mounting photovoltaic equipment
- Connecting electrical wiring
- Installing inverters
- Installing battery storage systems
- Testing system performance
- Following electrical and safety codes
Solar Installers combine construction skills with electrical knowledge and renewable energy technology.
What Does a Pipefitter Actually Do?
According to the U.S. Bureau of Labor Statistics and O*NET, Pipefitters install, maintain, and repair piping systems used in commercial, industrial, and energy facilities.
Their work is critical because many industries depend on reliable piping systems for production, heating, cooling, and energy operations.
Typical Pipefitter Duties
- Installing industrial piping systems
- Connecting pipes and mechanical equipment
- Reading construction drawings
- Measuring and cutting pipe sections
- Performing welding and fabrication work
- Inspecting pressure systems
- Troubleshooting piping problems
- Following safety procedures
Common Pipefitter Specializations
Industrial Pipefitter
Industrial Pipefitters work in manufacturing plants, refineries, and processing facilities.
Typical systems include:
- Steam systems
- Chemical piping
- Compressed air systems
- Industrial process piping
Steamfitter
Steamfitters specialize in systems involving high-temperature steam and heating applications.
They commonly work in:
- Power plants
- Large commercial buildings
- Industrial facilities
Mechanical Pipefitter
Mechanical Pipefitters install piping connected to HVAC and building mechanical systems.
Their work includes:
- Chilled water systems
- Heating systems
- Mechanical equipment connections
What Does a Solar Installer Actually Do?
Solar Installers assemble, install, and maintain photovoltaic systems according to BLS and O*NET occupational information.
They work with homeowners, construction companies, electrical contractors, and renewable energy developers.
Typical Solar Installer Duties
- Preparing installation locations
- Installing solar panels
- Installing mounting structures
- Connecting electrical components
- Installing inverters
- Testing photovoltaic systems
- Maintaining solar equipment
- Following electrical safety standards
Common Solar Installer Specializations
Residential Solar Installer
Residential installers focus on rooftop solar systems for homeowners.
Typical work includes:
- Home solar arrays
- Battery backup systems
- Residential electrical connections
Commercial Solar Installer
Commercial installers work on larger buildings and business projects.
Examples include:
- Warehouses
- Office buildings
- Retail facilities
- Industrial properties
Utility-Scale Solar Technician
Utility-scale solar workers install and maintain large solar projects connected to the electrical grid.
Their work includes:
- Large photovoltaic arrays
- Grid-connected systems
- Energy storage projects
Core Skill Differences
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| Skill Category | Pipefitter | Solar Installer |
|---|---|---|
| Main Knowledge Area | Industrial piping and mechanical systems | Solar energy and electrical installation |
| Mechanical Skills | Advanced pipe systems, welding, fabrication | Mounting systems and construction work |
| Electrical Skills | Equipment connections and mechanical controls | PV wiring, inverters, batteries |
| Problem Solving | Diagnosing leaks, pressure problems, system failures | Diagnosing installation and performance issues |
| Career Identity | Industrial mechanical systems specialist | Renewable energy installation specialist |
Salary Comparison: Pipefitter vs Solar Installer
Salary is one of the most significant differences between Pipefitters and Solar Installers. Both careers provide opportunities without a four-year college degree, but Pipefitters generally earn higher wages because their work requires advanced mechanical skills, apprenticeship training, welding ability, and knowledge of complex industrial systems.
Solar Installers have faster employment growth because renewable energy adoption is expanding. However, many entry-level solar positions focus on installation tasks, while higher-paying positions usually require additional electrical experience, certifications, or project management skills.
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| Occupation | 2024 Median Annual Wage | Lowest 10% | Highest 10% |
|---|---|---|---|
| Plumbers, Pipefitters, and Steamfitters | Approximately $62,970 per year | Below $39,000 | Above $105,000 |
| Solar Photovoltaic Installers | Approximately $48,800 per year | Below $36,000 | Above $64,000 |
Data Source: U.S. Bureau of Labor Statistics (BLS), Occupational Employment and Wage Statistics (May 2024).
Why Pipefitters Usually Earn More
Pipefitters work on systems where failures can affect entire industrial operations. A damaged steam line, pressure system, or process pipe can stop production and create significant safety risks.
Higher-paying Pipefitter opportunities include:
- Industrial manufacturing facilities
- Power plants
- Refineries and chemical plants
- Commercial mechanical systems
- Union industrial construction projects
- Specialized welding and fabrication roles
Pipefitters who develop welding skills, blueprint reading abilities, and industrial experience often have access to higher-paying positions.
Why Solar Installers Have Strong Growth Potential
Solar Installers benefit from the rapid expansion of renewable energy projects throughout the United States.
Higher-paying solar opportunities include:
- Commercial solar projects
- Utility-scale solar installations
- Battery energy storage systems
- Solar electrical technician roles
- Solar project supervision
- Solar contracting businesses
Workers who combine solar installation skills with electrical knowledge have stronger long-term earning potential.
Salary Factors That Create the Biggest Difference
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| Factor | Pipefitter Impact | Solar Installer Impact |
|---|---|---|
| Industry | Manufacturing, energy, industrial construction, commercial facilities | Renewable energy, electrical contracting, construction |
| Technical Skills | Pipe fabrication, welding, pressure systems, mechanical installation | PV systems, electrical connections, energy storage |
| Experience Value | Very high because industrial systems require specialized knowledge | High for complex installations and leadership roles |
| Overtime Opportunities | Common during shutdowns, construction projects, and emergency repairs | Common during large installation projects |
| Career Advancement | Journeyman → Foreman → Mechanical Contractor | Installer → Lead Installer → Solar Contractor |
Training Requirements: Pipefitter vs Solar Installer
The training paths for these careers reflect their different technical responsibilities.
Pipefitters usually complete longer apprenticeship programs because they work with high-pressure systems, industrial equipment, welding, and safety-critical installations.
Solar Installers generally have shorter entry pathways but require increasing electrical knowledge as solar systems become more advanced.
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| Training Factor | Pipefitter | Solar Installer |
|---|---|---|
| Main Training Focus | Industrial piping, welding, mechanical systems | Photovoltaic systems, electrical installation, renewable energy |
| Typical Entry Path | Registered apprenticeship or union training program | Solar training program, electrical training, employer instruction |
| Main Learning Areas | Pipe installation, welding, pressure systems, blueprints | Solar panels, inverters, wiring, mounting systems |
| Training Difficulty | High due to industrial complexity and safety requirements | Moderate but increasing with electrical technology |
Pipefitter Training Path
According to BLS, O*NET, and CareerOneStop, Pipefitters commonly enter the trade through apprenticeship programs that combine classroom education with paid field experience.
The apprenticeship model allows workers to gradually develop skills in pipe installation, welding, industrial safety, and mechanical systems.
Common Pipefitter Training Topics
- Pipe fabrication
- Blueprint reading
- Welding techniques
- Brazing and soldering
- Industrial piping systems
- Valve installation
- Pressure testing
- Mechanical equipment connections
- OSHA safety procedures
Pipefitter Education Options
Common training routes include:
- Registered apprenticeship programs
- Union apprenticeship programs
- Technical schools
- Community college programs
- Employer-sponsored industrial training
Experienced Pipefitters may advance into supervisory positions such as foreman, project supervisor, or mechanical contractor.
Solar Installer Training Path
Solar Installers typically enter the industry through renewable energy programs, electrical training courses, construction programs, or employer-based instruction.
As solar systems become more integrated with batteries, smart controls, and electrical infrastructure, advanced solar workers increasingly need electrical knowledge.
Common Solar Installer Training Topics
- Photovoltaic system installation
- Solar panel mounting
- DC and AC electrical systems
- Inverter installation
- Battery storage systems
- Electrical code requirements
- Roof safety
- System testing
- OSHA construction safety
Solar Installer Education Options
Common training routes include:
- Solar installation programs
- Renewable energy courses
- Electrical trade programs
- Construction training programs
- Employer-sponsored solar training
Certifications such as NABCEP (North American Board of Certified Energy Practitioners) can improve professional credibility and career opportunities.
Apprenticeship and Education Comparison
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| Training Factor | Pipefitter | Solar Installer |
|---|---|---|
| Typical Training Length | Approximately 4–5 years through apprenticeship | Several weeks to several years depending on specialization |
| Education Model | Classroom instruction plus supervised industrial work | Technical training plus installation experience |
| Main Qualification | Ability to install and maintain complex piping systems | Ability to install safe and efficient solar systems |
| Work-Based Learning | Industrial plants, construction projects, mechanical systems | Solar projects, rooftops, electrical installations |
| Career Barrier | Apprenticeship requirements and technical complexity | Electrical knowledge and field experience |
Certification Differences: Pipefitter vs Solar Installer
Certifications play different roles in these careers.
Pipefitter Certifications
Pipefitter credentials usually focus on welding, mechanical systems, and industrial safety.
Common qualifications include:
- Welding certifications
- Pipe welding qualifications
- Apprenticeship completion
- OSHA safety training
- Mechanical system training
Solar Installer Certifications
Solar certifications focus on photovoltaic systems and renewable energy installation.
Common qualifications include:
- NABCEP certification
- Solar PV installation certification
- Battery storage training
- Electrical safety certification
- OSHA construction training
Licensing Requirements: Pipefitter vs Solar Installer
Licensing requirements are one of the biggest differences between these careers.
Pipefitters are often regulated through plumbing, mechanical, or contractor licensing systems. Solar Installers are more affected by electrical licensing rules because photovoltaic systems connect directly to building electrical systems.
Pipefitter Licensing Requirements
Requirements vary by state, but common requirements include:
- Registered apprenticeship completion
- Required field experience
- Journeyman or contractor licensing
- Mechanical system regulations
- Safety compliance
Some states regulate pipefitting under plumbing or mechanical contractor licensing categories rather than creating a separate Pipefitter license.
Solar Installer Licensing Requirements
Solar licensing depends heavily on state electrical and contractor regulations.
Requirements may include:
- Electrical contractor license
- Solar contractor registration
- Building permits
- Electrical inspections
- Utility interconnection approval
State Requirements and Regulations
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| Regulation Category | Pipefitter | Solar Installer |
|---|---|---|
| Individual Trade License | May be required depending on state and work type | May be required when performing electrical work |
| Main Regulation | Mechanical codes, plumbing rules, industrial safety standards | Electrical codes, solar regulations, contractor rules |
| Independent Work | Often requires contractor licensing | Often requires electrical or solar contractor licensing |
| Main Barrier | Apprenticeship, welding, industrial experience | Electrical knowledge and contractor requirements |
Work Environment: Pipefitter vs Solar Installer
Pipefitters and Solar Installers both perform skilled installation work, but their working environments reflect two very different industries.
Pipefitters usually work in industrial environments where mechanical systems, pressure control, and safety standards are critical. Solar Installers usually work in construction environments where renewable energy systems are installed on buildings or land-based solar projects.
Pipefitter Work Environment
Pipefitters commonly work in:
- Manufacturing plants
- Power plants
- Oil and gas facilities
- Chemical processing facilities
- Commercial buildings
- Industrial construction sites
Typical Pipefitter working conditions include:
- Installing large piping systems
- Working around industrial equipment
- Performing welding and fabrication
- Testing pressure systems
- Reading complex engineering drawings
- Working in confined mechanical spaces
- Following strict industrial safety procedures
Pipefitters may work in demanding environments involving heat, chemicals, heavy equipment, and industrial hazards. Safety training is a major part of the profession.
Solar Installer Work Environment
Solar Installers commonly work in:
- Residential rooftops
- Commercial buildings
- Solar farms
- Construction sites
- Renewable energy projects
Typical Solar Installer working conditions include:
- Installing photovoltaic panels
- Working outdoors
- Climbing ladders and elevated structures
- Lifting solar modules and equipment
- Connecting electrical components
- Installing mounting systems
- Following electrical and fall protection standards
Solar Installers face more weather exposure and rooftop hazards, while Pipefitters face more industrial equipment and process-system hazards.
Physical Demand Comparison
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| Physical Factor | Pipefitter | Solar Installer |
|---|---|---|
| Main Physical Activity | Pipe installation, welding, fabrication, equipment connections | Panel installation, mounting, electrical connections |
| Working Height | Industrial platforms and mechanical structures | Rooftops, solar arrays, elevated structures |
| Heavy Materials | Large pipes, valves, mechanical components | Solar panels, batteries, mounting equipment |
| Weather Exposure | Moderate depending on project location | High because many projects are outdoors |
| Main Challenge | Technical precision and industrial safety | Installation accuracy and environmental conditions |
Job Outlook: Pipefitter vs Solar Installer
Both careers have positive employment opportunities, but their growth comes from different economic trends.
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| Occupation | BLS Employment Projection | Annual Average Openings | Main Demand Drivers |
|---|---|---|---|
| Plumbers, Pipefitters, and Steamfitters | Approximately 6% growth (2024–2034) | About 44,000 openings per year | Construction, industrial replacement, infrastructure maintenance |
| Solar Photovoltaic Installers | Approximately 42% growth (2024–2034) | About 4,000 openings per year | Renewable energy expansion, solar adoption, battery storage |
Data Source: U.S. Bureau of Labor Statistics (BLS), Occupational Outlook Handbook and Employment Projections.
Why Pipefitter Demand Remains Strong
Pipefitters benefit from the continued need for industrial infrastructure, energy systems, and building mechanical systems.
Demand is supported by:
- Industrial facility construction
- Power generation projects
- Manufacturing expansion
- Equipment replacement
- Energy infrastructure investment
- Commercial mechanical systems
A major advantage of Pipefitting is that many industrial systems require skilled workers even when new construction slows because existing systems still need maintenance and upgrades.
Why Solar Installer Demand Is Growing Rapidly
Solar Installers benefit from one of the fastest-growing renewable energy markets in the United States.
Demand is supported by:
- Residential solar adoption
- Commercial renewable energy projects
- Utility-scale solar development
- Battery storage expansion
- Clean energy incentives
- Grid modernization
However, long-term career growth will increasingly favor Solar Installers who develop electrical skills rather than focusing only on panel installation.
Technology Changes: Pipefitter vs Solar Installer
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| Technology Trend | Pipefitter Impact | Solar Installer Impact |
|---|---|---|
| Automation | Industrial controls and automated mechanical systems | Smart solar monitoring systems |
| Energy Efficiency | Efficient heating, cooling, and industrial systems | Solar generation and battery optimization |
| Digital Tools | Advanced drawings, system modeling, diagnostics | Digital solar design and monitoring software |
| Future Skills | Mechanical systems, welding, industrial technology | Electrical systems, storage, renewable technology |
| Main Challenge | Keeping up with increasingly complex industrial systems | Moving from basic installation to advanced energy systems |
Industrial Piping Systems vs Renewable Energy Future
Pipefitters and Solar Installers represent two important infrastructure trends: industrial reliability and energy transformation.
Pipefitters support industries that depend on mechanical systems. Solar Installers support the transition toward distributed renewable electricity.
Future of Pipefitters
Future Pipefitters will increasingly work with:
- Advanced manufacturing systems
- Energy infrastructure
- Industrial automation integration
- Specialized mechanical systems
- High-efficiency building systems
- Complex process piping
Pipefitters with welding expertise, mechanical knowledge, and industrial experience will continue to have strong career opportunities.
Future of Solar Installers
Future Solar Installers will increasingly work with:
- Battery energy storage
- Smart electrical systems
- Electric vehicle charging integration
- Grid-connected renewable systems
- Energy management technology
- Advanced photovoltaic equipment
Solar workers who combine installation skills with electrician-level knowledge will likely have the strongest earning potential.
Business Ownership Opportunities
Both careers offer entrepreneurship opportunities, but the customer base and business models are different.
Starting a Pipefitting Business
Pipefitting businesses usually serve industrial and commercial clients.
Potential businesses include:
- Mechanical contracting companies
- Industrial piping contractors
- Welding and fabrication services
- Commercial mechanical installation
- Industrial maintenance contractors
The advantage of Pipefitting businesses is high-value specialized work, but startup costs and technical requirements can be significant.
Starting a Solar Installation Business
Solar provides a more accessible contractor pathway for many entrepreneurs.
Potential businesses include:
- Residential solar companies
- Commercial solar contractors
- Battery storage installation companies
- Solar maintenance services
- Renewable energy consulting
Solar businesses benefit from market growth but must manage competition, regulations, and changing incentive programs.
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| Business Factor | Pipefitter | Solar Installer |
|---|---|---|
| Entrepreneurship Opportunity | Strong in industrial contracting | Strong in renewable energy markets |
| Startup Barrier | High technical requirements and industrial relationships | Licensing, equipment, and customer acquisition |
| Main Customers | Industrial companies, contractors, facilities | Homeowners, businesses, developers |
| Revenue Potential | High-value specialized projects | Growing market with scalable opportunities |
Which Career Is Better for Career Changers?
Both careers can provide strong alternatives to traditional college education, but they attract different types of workers.
Pipefitter May Be Better If You:
- Enjoy mechanical systems
- Like industrial environments
- Want higher technical specialization
- Are interested in welding and fabrication
- Prefer long apprenticeship-based careers
- Want industrial contractor opportunities
Solar Installer May Be Better If You:
- Want to enter renewable energy
- Enjoy outdoor construction work
- Like electrical technology
- Want faster entry into a growing industry
- Prefer project-based installation work
- Want solar entrepreneurship opportunities
Final Verdict: Pipefitter vs Solar Installer
Pipefitters and Solar Installers are both important skilled trades, but they represent different career strategies.
Pipefitter is the stronger choice for workers seeking higher income potential, industrial expertise, and long-term technical specialization.
Solar Installer is the stronger choice for workers who want to participate in renewable energy growth and enter a rapidly expanding industry.
Overall Winner: Pipefitter vs Solar Installer
For salary, technical depth, and industrial career stability, Pipefitter has the advantage.
For renewable energy growth and easier entry into a future-focused industry, Solar Installer has the advantage.
The simplest distinction is:
- Pipefitter: Best for people who want to build and maintain complex industrial mechanical systems.
- Solar Installer: Best for people who want to build renewable energy systems and participate in the clean energy transition.
Sources and Data Method
This comparison uses official occupational data, career research resources, and regulatory information.
- U.S. Bureau of Labor Statistics (BLS), Occupational Outlook Handbook — Plumbers, Pipefitters, and Steamfitters
- U.S. Bureau of Labor Statistics (BLS), Occupational Outlook Handbook — Solar Photovoltaic Installers
- U.S. Bureau of Labor Statistics (BLS), Occupational Employment and Wage Statistics, May 2024
- O*NET Online — Pipefitters, Plumbers, and Steamfitters
- O*NET Online — Solar Photovoltaic Installers
- CareerOneStop — Pipefitter Career Profile
- CareerOneStop — Solar Installer Career Profile
- State Plumbing and Mechanical Licensing Boards
- State Electrical Contractor Licensing Boards
- OSHA Construction and Safety Standards
Explore Career Guides
Explore detailed career guides for both occupations, including salary information, training requirements, licensing information, certifications, and state-specific career opportunities.