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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


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.

Praveena Airani

I took this course to strengthen my knowledge on Solar PV and Sanjib Roy Sir has provided excellent coaching through in-depth training. The course is comprehensive and covers all technical and commercial aspects of Solar PV right from current energy scenario to electrical engineering to Solar module technology to setting up Solar RTS, small scale and large scale, and all financial and business aspects as well. The course material is detailed and Sir takes a keen interest in going into nuances of the topics. Very useful course for anyone wanting to start a career in Solar PV.

- Praveena Airani,
Mumbai, Maharashtra, India
Service Delivery Director at RGP

Profile: https://www.linkedin.com/in/praveenaairani/details/certifications/
BISNU GOPAL GHOSH

EXPERIENCE OF ONLINE TRAINING IS VERY GOOD

- BISNU GOPAL GHOSH,
Kolkata, West Bengal, India
QUALITY ENGINEER

Profile: https://www.linkedin.com/in/bisnu-gopal-ghosh-b004a9354/
Chandru Neginahal

Joined this course with zero knowledge and also with very excitement to learn. Classes are conducted in very professional manner as per schedule. All the aspects of Solar PV are covered in step by step approach which helped to understand more easily. Lot of training material are shared for online study. Very happy at the end of this course as my learning objectives are met with expectation. I will be happy to Recommend this course to others Thank You Sir.

- Chandru Neginahal,
Bengaluru, Karnataka
Principal Software Engineer at Infineon Technologies

Profile: https://www.linkedin.com/in/chandru-neginahal-0b433a12/
Amit Bhandari

Great platform for learning about the solar industry. Detailed working knowledge and hands-on technical training.

- Amit Bhandari,
Mumbai, Maharashtra, India
Director at AVA2 Green Solutions

Profile: https://www.linkedin.com/in/amitbhandari2103/details/certifications/
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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Interactive Classes

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Practical & Doubt Classes

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