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Institute of Solar Technology (IST) an autonomous body for startups in solar energy training, have a milestone with 12 years of experience in Entrepreneurship Business Development, a long history of operation. Institute was founded in 2012, Indian oldest institute. To know more look "About Us" section.

☀️ IST PVSolar Simulator v8.1.0

IST PVSolar Simulator v8.1.0, a major version update for renewable energy design software, it is used to simulate, plan, and optimize photovoltaic power systems, model microclimates, or calculate energy generation based on meteorological data.

IST PVSolar Simulator v5.0

Key Features of ☀️ IST PVSolar Simulator v8.1.0

The primary features often included in a Version 8.1 solar simulation environment are:

  • Row Spacing Calculator popup: to ensure zero inter-row shadow during the design shading window. For each season (Winter Dec 21, Equinox Mar 20, Summer Jun 21), the calculator sweeps the shading window in 15-minute steps and finds the worst-case (minimum) solar altitude.
  • Grid-Connected System Design: Tools to design and estimate energy yield for large-scale, standard grid-tied PV systems
  • Meteorological Data Integration: Importing global or local weather files (e.g., typical meteorological year) to model long-term climatic impact.
  • Full simulation + 6 result: Monthly charts, Loss cascade, P50/P75/P90/P99, Economics (NPV/LCOE/Payback), CO₂ balance, 25-year projection
  • Financial & Economic Analysis: Calculating levelized cost of energy (LCOE), ROI, and system installation profitability.

IST PVSolar Simulator is an advanced solar photovoltaic (PV) system design and simulation software developed to support engineers, entrepreneurs, students, and renewable energy professionals in designing efficient solar power systems. The software initiative is associated with the visionary work of Sanjib Kr. Roy, Founder of Institute of Solar Technology, and IST R&D team members. Institute of Solar Technology IST, a leading renewable energy training and entrepreneurship development institution in India.

The simulator is designed to simplify complex solar engineering calculations and provide high accuracy design support for rooftop, C&I and utility-scale solar projects. IST PVSolar Simulator integrates AI based technical design methodologies, solar resource analysis, system sizing, electrical calculations, and performance estimation tools that help users to generate real-world solar plant simulation.

IST PVSolar Simulator V8.1.1 is a professional, browser-based PV simulation platform aligned with IEC 61724-1:2021, IEC 61853, BIS IS 16169, CEA Technical Standards 2010 (Amended 2023), and MNRE 2025 guidelines. The simulation engine uses POA transposition, cell temperature (Uc+Uv model), monthly energy, PR, P50/P90 exceedance probability, and LCOE/NPV/IRR financial analysis.
It supports project development in areas such as:

  1. Solar PV system sizing and simulation
  2. Rooftop and ground-mounted solar plant design
  3. Energy yield estimation and performance analysis
  4. Electrical design calculations
  5. Solar water pumping system calculations
  6. ACDB/DCDB engineering design
  7. Battery and hybrid system analysis
  8. Project documentation and techno-commercial evaluation

Live Electrical Safety Checks

#CheckFormulaStandard
1Voc_max ≤ Inverter Max DC VoltageVoc_STC × [1 + TC_Voc/100 × (T_min−25)] × N_modIEC 62548:2016 §6.1; IS 16221 Part 1
2Vmp_max ≤ MPPT Max VoltageVmp_STC × [1 + TC_Voc/100 × (T_winter−25)] × N_modIEC 62548:2016 §6.2; IS 16221 Part 2
3Vmp_min ≥ MPPT Min VoltageVmp_STC × [1 + TC_Pmax/100 × (T_summer−25)] × N_modIEC 62548:2016; inverter MPPT range
4Array Current/MPPT ≤ MPPT ImaxImp_STC × Strings_per_MPPTIEC 62548:2016 §6.3; fuse >2 strings
5Total DC Current/Inverter ≤ Inv Max DC CurrentImp × Str/MPPT × MPPT_usedIEC 62109-1:2010 §12; IS 16221 Part 1

Simulation Results & Analysis: Simulation Engine

The simulator runs a 12-month energy model (monthly resolution approach):

  1. POA irradiance (H_POA from transposition)
  2. Effective irradiance: apply IAM correction, soiling factor
  3. Cell temperature: NOCT model or Uc+Uv model (per Uc, Uv, wind speed)
  4. E_array: Pnom × H_POA_eff × temperature correction × DC loss chain × bifacial gain
  5. Clipping: apply ILR-based clipping loss
  6. E_AC: E_array × η_inverter × (1 − AC_wiring_loss)
  7. P50/P75/P90/P95: apply Gaussian IAV uncertainty

POA Irradiance is the actual sunlight hitting a solar panel at its specific tilt and orientation. TMY (Typical Meteorological Year) is a synthetic dataset of hourly weather values meant to represent an "average" year over a long historical period To get the most accurate performance estimate for a PV plant, system designers take the raw horizontal GHI data from a TMY file and mathematically transpose it into POA Irradiance using the planned panel angles.

Sanjib Roy has played a significant role in renewable energy skill development, mentoring solar entrepreneurs and engineers through practical training, software-based learning, and entrepreneurship development programs. Industry and institutional profiles describe him as a solar technology mentor and corporate trainer with extensive experience in PV solar system design and business development.



Final Report Intelligence

Full A4-style report with cover page, summary, system parameters, losses table, monthly results, P50-P90, economics, CO₂, signatures.

  • Project Summary: Geographical Site - Solar Resource — Monthly Averages import from NASA ESS upto 2024.
  • Tilt Angle and Azimuth: Tilt angle auto optimization, Calculate Annual POA,
  • System Summary: PV Array Characteristics, Inverter Detail, System Loss Diagram,
  • Main Results: System Production, Energy Injected into Grid vs Year of Operation, Performance Ratio vs Year of Operatio
  • Economic Evaluation & Financial Analysis: P50 / P75 / P90 / P95 Evaluation, Cost of the System & Financial Analysis, Detailed Economic Results — Year by Year
  • CO₂ Emission Balance
  • PDF (print-quality) report file


IST provide business training and engineers training. Not for solar installer /labour training. If you want to become solar expert to make big solar business, enroll now.

Solar business course provides training on starting and running a solar energy business, covering technical aspects of solar panel systems, business planning, marketing, and project management. These courses cater to individuals interested in entrepreneurship in the renewable energy sector, as well as professionals looking to expand their knowledge.



Institute of Solar Technology: Offers course on PV Technology & Business Management, focusing on project development and quality management.

Key aspects covered in solar business courses:

  1. Technical Knowledge: Understanding solar panel technology, system design, installation, and maintenance.
  2. Project Management: Skills in planning, executing, and overseeing solar projects, including budgeting and procurement.
  3. Business Planning: Developing a business plan, conducting market research, and understanding legal and financial aspects.
  4. Marketing and Sales: Learning how to market solar services, source leads, and manage customer relationships.
  5. Entrepreneurship: Developing entrepreneurial skills, including innovation, leadership, and team building.

Discover the PV business and expand your professional options

Solar Project Design Master Course (Rooftop and Large solar system)

Solar Project design Master Course Huge job opportunity Solar Design engineer job

Search Solar Design Engineer Job
For working professionals, early morning or night class slot available

👉 Introduce with Mentor

Solar Project Design Master Course: provides a vast opportunities in getting wider knowledge in the areas of concept development, site identification, feasibility study, detailed system design, engineering, construction & commercial operation, operational performance monitoring of solar Utility Scale power projects, financial aspects of the solar power plant like DPR,DSCR,ROI,CUF estimation and CAPEX ,OPEX modelling.
Solar Power Plant Releated Cloud Software access from IST E-Library-
👉Know about IST Cloud App
  1. DCDB DESIGN Software
  2. Solar ACDB Designer Software
  3. Structural Design & Analysis Software
  4. Solar Water Pump Design Software
  5. Solar Power Plant Design Software
  6. Solar Power Plant SLD Drawing Software
  7. Solar Project Quotation Software


Admission going on for 1st Batch of Jul - 2026
Rating:

PV Technology & Business Management - Business Course (Online)
(Rooftop and Large solar system)

PV Solar Business Training
For working professionals, early morning or night class slot available

👉 Introduce with Mentor

PV Technology & Business Management course to boost your business.
Institute of Solar Technology (IST) cover business opportunities in Residential, Public Sector, Commercial and Industry.
Solar Power Plant Releated Cloud Software access from IST E-Library-
👉Know about IST Cloud App
  1. DCDB DESIGN Software
  2. Solar ACDB Designer Software
  3. Structural Design & Analysis Software
  4. Solar Water Pump Design Software
  5. Solar Power Plant Design Software
  6. Solar Power Plant SLD Drawing Software
  7. Solar Project Quotation Software


Admission going on for Jul - 2026
Rating:

To do PM - Surya Ghar: Muft Bijli Yojana Project, required technical commercial knowledge and skill, like vendor registration process, residential owner's registration process, PV Solar system quality understanding, project design, components selection, installation process, PM Surya Ghar Document making to get project Feasibility Approval, DISCOM Inspection Process. You will learn as per PM Surya Ghar project guide. A single complete course for solar business.

Rooftop Hybrid Solar Simulation Software RHS Version-11.12

Rooftop Hybrid Solar (RHS) simulation software, such as Rooftop Hybrid Solar Simulation Software RHS V 11.12, is designed to model, design, and optimize grid-connected solar PV systems with battery energy storage. These tools simulate system performance under varying solar irradiation, battery state-of-charge, and grid-connected,, or off-grid scenarios, facilitating technical analysis.

Reputation and reviews:

For comprehensive solar business training, consider programs focused on solar PV technology and business management, especially those offered by the Institute of Solar Technology (IST).

Reviews and ratings of educational institutions are crucial for gauging student satisfaction and overall quality. They provide valuable insights into areas of strength and areas needing improvement, helping institutions enhance their offerings and better serve their students.
Check online reviews and ratings of the institutes to gauge their quality and student satisfaction.

Visit: IST Prestigious Alumni Feedback

 Institute of Solar Technology (IST):
  1. Focus:
    IST specializes in PV solar technology and business management, with a strong track record of training solar entrepreneurs.
  2. Training Style:
    They offer Instructor-Led online class / in-house class and practical sessions at institute or at project site (as per availability), with a focus on project development and quality management.
  3. Course Content:
    The training includes site assessment, feasibility studies, design, installation, performance modeling, and quality assurance. Offers comprehensive training programs, including Solar Technology and Business Management, Energy storage Lithium-ion battery manufacturing, Solar Powered Electric Vehicle Charging Station design and development course including specialized courses Solar Power Plant Design Master course for solar engineers.
  4. Target Audience:
    IST caters to a wide range of professionals, including entrepreneurs, managers, project developers, and EPC companies.
    This organization aims to empower women through solar technical training and community-building, fostering a network of female solar professionals.
  5. Mentorship:
    Experienced trainers act as mentors, providing guidance and support to trainees beyond the formal training sessions, fostering a positive learning environment.

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IST Prestigious Alumni Feedback

IST alumni have achieved significant success, gained recognition, or made notable contributions in PV Solar and Renewable energy areas.

Subair P.S

This course gives in depth knowledge of understanding the complete aspects of PV solar system from the fundamentals of Solar system to detailed Design, preparation of BOQ, Cost Estimate, Return of Investments in order to prepare a Detailed Project Report to a Customer at lower installed Capacity or to a Mega Scale Power Plant Project. I recommend this course to PV Solar Professionals to sharpen their knowledge in this field.

- Subair P.S,
Ernakulam, Kerala, India
Sr.Electrical Engineer (PV Solar), Doha-Qatar

Profile: https://www.linkedin.com/in/subair-p-s-b-sc-engg-ce-i-53b23636/details/education/
Sairam Thota

Everything in this "PV system Design Master Course" is very organised and confident about designing the PV system for rooftop, Hybrid, On gris syem efectively. PV software helped a lot in designing the projects and loss calculations easily. I would likem to suggest this "PV system Design Master Course". who wants to learn in depth of PV System about design and particulary calculations important considerations.

- Sairam Thota,
Magallu,Andhra Pradesh
Data Centre Operator - RailTel Corporation of India Ltd

Profile: https://www.linkedin.com/in/sairam-thota-395abb167/
ENUGANDULA ANAND

The most positive aspects of this course: covered all aspects, covered theory and practical, Govt. regulatory, finance, rate quotation, installation and maintenance.

- ENUGANDULA ANAND,
Mumbai, Maharashtra, India
Mumbai, District Manager

Profile: https://www.linkedin.com/in/anand-enugandula-78593a182/
A Balamurugan

This is a valuable learning platform where both time and money are well spent. The course content is effective and the post completion support adds great value. It helps to do own business as new startup .

- A Balamurugan,
Rajapalayam, Tamilnadu, India
Country Manager at Voltech Products and Services Tanzania Ltd, Tanzania

Profile: https://www.linkedin.com/in/balamurugan-arunachalam-7438403b/
Jayesh Kharat

The course took me from no knowledge of PV systems to doing PV System Design and installation. Providing lots of examples and practical scenarios. Excellent.

- Jayesh Kharat,
Dubai, United Arab Emirates
Consultant at Thirdware Solution Ltd

Profile: https://www.linkedin.com/in/jayeshkharat/details/certifications/

Past Participant Profile

Floating Solar Project
Top Job Profiles
  1. Director/Founder
  2. Programme Managers
  3. Project Lead/Project Mgrs
  4. EPC Associate
  5. Startup

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