Virginia Alternative Energy Systems Contractor Exam Complete Book Package

Prepare for the Virginia Alternative Energy Systems Contractor examination with a complete reference-book package covering solar photovoltaic systems, electrical theory, system calculations, wind-generated power, rooftop photovoltaic installations, and OSHA construction safety. This package brings together the six references used to support preparation for the Virginia Alternative Energy Systems specialty examination.

Virginia regulates Alternative Energy Systems contracting through the Virginia Department of Professional and Occupational Regulation Board for Contractors. The specialty is identified as AES and covers the installation, repair, or improvement, from the customer's meter, of alternative-energy generation systems, supplemental-energy systems, and associated equipment annexed to real property.

Alternative-energy contracting requires knowledge from several technical disciplines. Photovoltaic work involves modules, arrays, electrical conductors, overcurrent protection, grounding, inverters, system sizing, and connection concepts. Rooftop systems introduce additional considerations involving roof assemblies and photovoltaic components. Wind-generation work requires an understanding of turbines, wind principles, electrical generation, mechanical components, and system performance. Contractors must also recognize construction-site safety requirements applicable to installation activities.

This complete package includes the Code of Federal Regulations - 29 CFR Part 1926 (OSHA), National Electrical Code, NFPA 70, 2011, Photovoltaic Systems, 3rd Edition, 2011, Ugly's Electrical References, NRCA Guidelines for Roof Systems with Rooftop Photovoltaic Components, 2018, and Introduction to Wind Principles, 2011.

These references allow candidates to organize study around the five major examination categories: Photovoltaics; Estimating, Calculations, and Designs; Electrical Theory and Knowledge; Wind Generated Power; and Safety. Working with the books before test day also helps develop the reference-navigation skills needed for an open-book contractor examination.

Exam Details

The Virginia Alternative Energy System Contracting examination is administered through PSI for the Virginia Board for Contractors. The technical specialty examination contains 60 questions, allows 150 minutes, and requires a minimum score of 72%, or 43 correct answers.

The official examination content outline is divided into five subject areas:

• Photovoltaics – 23 questions
• Estimating, Calculations, and Designs – 13 questions
• Electrical Theory and Knowledge – 9 questions
• Wind Generated Power – 10 questions
• Safety – 5 questions

Photovoltaics is the largest portion of the examination with 23 questions. Candidates should devote substantial study time to photovoltaic components, system operation, array configuration, conductors, equipment, installation practices, and related electrical requirements.

Estimating, Calculations, and Designs accounts for 13 questions. This category requires candidates to work with system sizing, mathematical relationships, design principles, and calculations associated with alternative-energy installations.

Wind Generated Power contributes 10 questions. Candidates should understand wind-energy fundamentals, wind-turbine components, basic system design, operating principles, and the factors that influence wind-energy production.

Electrical Theory and Knowledge represents 9 questions. Candidates should be comfortable with basic electrical quantities, formulas, circuits, conductor concepts, power relationships, and terminology used throughout photovoltaic and wind-energy systems.

Safety represents 5 questions and focuses attention on hazards and construction-safety requirements associated with alternative-energy installation work. OSHA 29 CFR Part 1926 is the dedicated construction-safety reference included with this package.

Open Book Test

The Virginia Alternative Energy Systems Contractor examination is an open book test. Candidates must provide their own allowable references and follow PSI rules governing how materials may be prepared and brought into the examination.

The examination allows 150 minutes for 60 questions, providing an average of two and a half minutes per question. Because several books address different technical subjects, efficient reference selection is an important part of preparation.

A photovoltaic-system question should direct the candidate toward the Photovoltaic Systems reference or the applicable provisions of the National Electrical Code. Electrical calculations may be supported by the NEC and Ugly's Electrical References. Rooftop photovoltaic questions may require the NRCA guidelines. Wind-generation questions should direct attention toward Introduction to Wind Principles, while construction-safety questions should move directly to OSHA 29 CFR Part 1926.

PSI permits approved reference materials to be highlighted, underlined, and indexed before the examination. Permanent tabs may be used under the examination rules, while removable tabs are not permitted. Candidates should prepare their books in accordance with the current testing rules before arriving at the examination center.

The value of an open-book exam depends on familiarity with the references. Candidates who know where common topics are located can answer straightforward questions efficiently and reserve more time for calculations or detailed technical lookups.

Licensing Steps

Virginia contractor licensing is administered by the Virginia Board for Contractors. Contractor licenses consist of a license class and a classification or specialty designation. Alternative Energy Systems is a specialty designation requiring a Qualified Individual who satisfies the applicable requirements and successfully completes the Board-approved technical examination.

1. Select the appropriate Virginia contractor license class. Determine whether the business will apply for a Class A, Class B, or Class C contractor license based on the work it intends to perform.
2. Select the AES specialty. The business must request the Alternative Energy Systems specialty when this scope of work is being added to the contractor license.
3. Identify a Qualified Individual. A Qualified Individual must be designated for the AES specialty and meet Virginia's applicable experience requirements.
4. Document qualifying experience. Virginia requires an Experience Verification Form for Qualified Individuals seeking specialties that require pre-approval for an examination.
5. Complete required pre-license education for a new contractor license. Virginia requires eight hours of approved pre-license education for new Class A, B, and C contractor licenses.
6. Obtain examination approval. Alternative Energy Systems is among the specialties requiring pre-approval before the Qualified Individual completes the technical exam.
7. Prepare for the technical examination. Study Photovoltaics, Estimating/Calculations/Designs, Electrical Theory and Knowledge, Wind Generated Power, and Safety.
8. Practice reference navigation. Become familiar with the NEC, photovoltaic reference, wind reference, OSHA regulations, roofing guidelines, and electrical-reference material.
9. Schedule the examination through PSI. Follow the current scheduling process after receiving the required approval.
10. Complete the remaining contractor-license requirements. Submit the required licensing information and satisfy the requirements associated with the chosen license class and AES specialty.

State Requirements

Virginia defines Alternative Energy System Contracting as the service that provides for installation, repair, or improvement, from the customer's meter, of alternative-energy generation systems, supplemental-energy systems, and associated equipment annexed to real property.

The AES specialty does not include installation of emergency generators powered by fossil fuels. Virginia also specifies that the AES specialty itself does not provide authorization to perform electrical, plumbing, gas-fitting, or HVAC functions.

The Virginia Board for Contractors licenses the business entity. Each licensed contractor must identify a Qualified Individual for the classification or specialty shown on the license. For AES, the Qualified Individual is subject to experience requirements and the approved specialty examination.

Virginia currently requires at least one year of qualifying experience for a Class C license, three years for Class B, and five years for Class A for a Qualified Individual associated with a specialty requiring examination.

Contractor licensing also involves requirements that apply to the chosen license class in addition to the AES technical specialty exam. Candidates preparing for the technical test should understand that passing the AES examination is one component of the complete contractor-licensing process.

Reference Books

• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  Included Book: Covers federal construction-industry safety standards relevant to alternative-energy installations, including requirements associated with jobsite hazards, personal protection, ladders, scaffolding, fall protection, electrical work environments, tools, equipment, and construction operations.
• National Electrical Code, NFPA 70, 2011
  Included Book: Provides electrical installation requirements applicable to photovoltaic and related electrical systems. It is an essential reference for electrical conductors, equipment, grounding, overcurrent protection, photovoltaic systems, and interconnected power-production concepts addressed by the examination.
• Photovoltaic Systems, 3rd Edition, 2011
  Included Book: Provides detailed technical coverage of photovoltaic principles, system components, site considerations, modules, arrays, batteries, controllers, inverters, wiring, system design, installation, commissioning, and maintenance concepts used in solar-electric work.
• Ugly's Electrical References
  Included Book: A practical electrical reference useful for reviewing formulas, electrical theory, conductor information, conversions, calculations, and common electrical relationships that support the Electrical Theory and Knowledge portion of the examination.
• NRCA Guidelines for Roof Systems with Rooftop Photovoltaic Components, 2018
  Included Book: Addresses the relationship between roof systems and rooftop photovoltaic components, helping candidates review installation considerations that affect roofing assemblies, penetrations, attachments, drainage, and coordination between photovoltaic and roof-system components.
• Introduction to Wind Principles, 2011
  Included Book: Covers wind-energy fundamentals, turbine components, electrical generation, wind characteristics, power concepts, installation considerations, and operating principles used to prepare for the Wind Generated Power portion of the AES examination.

Test Information and Study Materials

A productive study strategy should follow the official examination weighting. Start with Photovoltaics, which accounts for 23 of the 60 examination questions. This is more than one-third of the technical exam and should receive the greatest share of study time.

The Photovoltaic Systems reference should be used to build an understanding of how a complete photovoltaic installation operates. Study photovoltaic cells, modules, panels, arrays, system configurations, mounting, electrical output, controllers, batteries where applicable, inverters, disconnects, and related equipment.

Candidates should understand the difference between individual components and the way they interact as a complete system. Questions may require identifying the purpose of a component, interpreting a system characteristic, or recognizing an appropriate installation or design concept.

The National Electrical Code, NFPA 70, 2011 should be studied alongside photovoltaic material. Photovoltaic installations involve electrical conductors, overcurrent protection, grounding, disconnecting means, equipment, wiring methods, and other electrical requirements.

Rather than trying to memorize every code provision, candidates should learn where major photovoltaic and electrical subjects are located. Practice locating applicable Articles, tables, definitions, and equipment requirements quickly.

For Estimating, Calculations, and Designs, candidates should practice mathematical relationships rather than simply reading examples. Alternative-energy design can involve voltage, current, power, energy, array configuration, conductor calculations, and system-sizing concepts.

Ugly's Electrical References can help reinforce common electrical formulas and relationships. Candidates should be able to identify what information a calculation requires before selecting a formula.

Design-oriented questions may also require understanding how site conditions affect alternative-energy performance. Photovoltaic output depends on system configuration and available solar energy, while wind-energy performance depends heavily on wind conditions and turbine characteristics.

The NRCA rooftop photovoltaic guidelines support preparation for installations involving roof systems. Rooftop photovoltaic work must consider how equipment interacts with the roof assembly rather than treating the photovoltaic system as an isolated installation.

Study roof penetrations, attachments, drainage considerations, system layout, access, and coordination between roofing and photovoltaic components. Understanding these relationships is useful when evaluating whether a rooftop installation has been planned appropriately.

For Electrical Theory and Knowledge, review voltage, current, resistance, power, energy, series and parallel relationships, conductors, circuits, and electrical calculations. These fundamentals support both photovoltaic and wind-generated systems.

Electrical theory questions are easier to solve when candidates understand why a formula applies. Develop a consistent process: identify the known quantities, determine the quantity being requested, select the appropriate electrical relationship, and check that the result uses the correct units.

For Wind Generated Power, use Introduction to Wind Principles as the primary subject reference. Study wind characteristics, turbine operating principles, energy conversion, mechanical components, electrical generation, and system configuration.

Candidates should understand the major components of a wind-energy system and the role each component plays. Turbine blades, rotor assemblies, generators, towers, controls, and other components work together to convert wind energy into usable electrical power.

Wind speed and site conditions strongly influence power production. Candidates should become familiar with the principles used to evaluate wind resources and understand why turbine location matters.

The Safety section contains five questions, but safety should not be treated as an afterthought. Alternative-energy installation can involve rooftop work, electrical hazards, ladders, scaffolds, material handling, tools, and construction equipment.

Use OSHA 29 CFR Part 1926 to review construction requirements and develop familiarity with the organization of the federal regulations. Knowing where major safety topics are located can save valuable time during the open-book examination.

Fall protection is especially relevant to rooftop photovoltaic installations. Candidates should understand that solar work performed on elevated roof surfaces can expose workers to significant fall hazards and requires appropriate construction-safety planning.

A useful study technique for a multi-reference exam is to associate every question category with its likely book. Photovoltaics should point toward Photovoltaic Systems and the NEC. Wind questions should point toward Introduction to Wind Principles. Roofing integration should point toward NRCA. Electrical calculations can point toward the NEC and Ugly's. Safety should point toward OSHA.

Practice with a timer. The 150-minute examination period provides about two and a half minutes per question. Candidates should answer familiar conceptual questions efficiently so additional time remains for calculations and detailed code lookups.

When a practice question is missed, determine the cause. The issue may be weak technical knowledge, an incorrect calculation, confusion about terminology, or difficulty finding information in a reference. Correcting the underlying weakness is more valuable than memorizing an individual answer.

Repeated reference use is one of the best ways to prepare for an open-book technical exam. The objective is to make each book familiar enough that the candidate can quickly determine where to search and which terminology to use.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep supports Virginia Alternative Energy Systems Contractor candidates by organizing the major technical references into one complete book package. The collection brings together photovoltaic, electrical, wind-energy, rooftop-system, calculation, and OSHA safety resources so candidates can prepare across the full examination outline.

The package supports trade-focused study of solar photovoltaic systems, electrical theory, estimating and calculations, wind-generated power, roof-mounted photovoltaic components, and construction safety. Candidates can work through one topic at a time while developing an understanding of how those subjects connect in real alternative-energy installations.

Reference navigation is also an important part of preparation. Working with the books in advance helps candidates become familiar with chapters, indexes, tables, terminology, and technical organization before sitting for the open-book exam.

1 Exam Prep encourages an organized study structure that gives extra attention to the heavily weighted Photovoltaics and Estimating/Calculations/Designs categories while still covering wind power, electrical theory, and safety.

The goal is to support stronger technical knowledge, more efficient reference use, improved calculation skills, and confidence-building preparation. The package does not guarantee a passing examination score, contractor license, or approval by the Virginia Board for Contractors.

What is the Virginia Alternative Energy Systems Contractor specialty?

The AES specialty covers installation, repair, or improvement, from the customer's meter, of alternative-energy generation systems, supplemental-energy systems, and associated equipment annexed to real property.

How many questions are on the Virginia AES exam?

The Alternative Energy System Contracting examination contains 60 questions.

How much time is allowed for the Virginia AES exam?

Candidates have 150 minutes to complete the examination.

What score is required to pass the Virginia AES exam?

The minimum passing score is 72%, or 43 correct answers.

Is the Virginia Alternative Energy Systems Contractor exam open book?

Yes. The examination is an open book test. Candidates must provide their approved references and comply with current PSI rules for reference preparation.

What is the largest section of the Virginia AES exam?

Photovoltaics is the largest subject area with 23 questions.

Does the Virginia AES exam include calculations?

Yes. Estimating, Calculations, and Designs account for 13 questions, and electrical calculations can also support other technical areas.

Does the Virginia AES exam cover wind energy?

Yes. Wind Generated Power accounts for 10 questions on the official examination outline.

Does this package include OSHA material?

Yes. The package includes Code of Federal Regulations - 29 CFR Part 1926 (OSHA) for construction-safety preparation.

Does this package include the National Electrical Code?

Yes. The package includes the National Electrical Code, NFPA 70, 2011.

Does the package cover rooftop photovoltaic systems?

Yes. The included NRCA Guidelines for Roof Systems with Rooftop Photovoltaic Components, 2018 addresses roofing considerations associated with rooftop photovoltaic installations.

Who administers the Virginia AES contractor exam?

The examination is administered through PSI for the Virginia Department of Professional and Occupational Regulation Board for Contractors.

Does passing the AES technical exam automatically provide a Virginia contractor license?

No. Passing the technical examination is one part of the Virginia contractor licensing process. The applicant must also satisfy the applicable Board for Contractors requirements for the license class and AES specialty.

Why buy the complete Virginia Alternative Energy Systems exam book package?

The complete package brings together the photovoltaic, electrical, wind-energy, roofing, calculation, and OSHA references needed to organize preparation around the principal subjects covered by the Virginia AES specialty examination.