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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.
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:
- Solar PV system sizing and simulation
- Rooftop and ground-mounted solar plant design
- Energy yield estimation and performance analysis
- Electrical design calculations
- Solar water pumping system calculations
- ACDB/DCDB engineering design
- Battery and hybrid system analysis
- Project documentation and techno-commercial evaluation
Live Electrical Safety Checks
| # | Check | Formula | Standard |
|---|---|---|---|
| 1 | Voc_max ≤ Inverter Max DC Voltage | Voc_STC × [1 + TC_Voc/100 × (T_min−25)] × N_mod | IEC 62548:2016 §6.1; IS 16221 Part 1 |
| 2 | Vmp_max ≤ MPPT Max Voltage | Vmp_STC × [1 + TC_Voc/100 × (T_winter−25)] × N_mod | IEC 62548:2016 §6.2; IS 16221 Part 2 |
| 3 | Vmp_min ≥ MPPT Min Voltage | Vmp_STC × [1 + TC_Pmax/100 × (T_summer−25)] × N_mod | IEC 62548:2016; inverter MPPT range |
| 4 | Array Current/MPPT ≤ MPPT Imax | Imp_STC × Strings_per_MPPT | IEC 62548:2016 §6.3; fuse >2 strings |
| 5 | Total DC Current/Inverter ≤ Inv Max DC Current | Imp × Str/MPPT × MPPT_used | IEC 62109-1:2010 §12; IS 16221 Part 1 |
Simulation Results & Analysis: Simulation Engine
The simulator runs a 12-month energy model (monthly resolution approach):
- POA irradiance (H_POA from transposition)
- Effective irradiance: apply IAM correction, soiling factor
- Cell temperature: NOCT model or Uc+Uv model (per Uc, Uv, wind speed)
- E_array: Pnom × H_POA_eff × temperature correction × DC loss chain × bifacial gain
- Clipping: apply ILR-based clipping loss
- E_AC: E_array × η_inverter × (1 − AC_wiring_loss)
- 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 Solar Training included all engineering design software / tools
IST Solar MMS Structural Design & Analysis Tool
Full walkthrough of:1 — Project Input: Enter site parameters including wind zone (IS 875 Part 3), seismic zone (IS 1893), roof height, parapet height, terrain category, panel dimensions/weight, tilt angle, row spacing, steel grade (Fe 250/350/410), concrete grade (M20/M25/M30), and tilt system (fixed or adjustable). Three presets available: Residential 10kW, Commercial 100kW, Industrial 500kW.
2 — Structure Type: Select from Flat RCC Rooftop, Pole-Mounted, Elevated/High-Rise, or Triangle Bracket. Configure front/rear leg heights (rear leg auto-calculated from tilt angle), bay spacing, pole height, and row count. Live summary shows total panels, array area, row length, and geometry.
3 — Load Analysis: Full IS 875 Part 3 wind analysis (Vb → k2 → Vz → pz → Cf → Fw) and IS 1893 seismic analysis (Z → Ah → base shear). Generates all load combinations (LC1–LC4) per IS 800 Table 4, identifies governing lateral load.
4 — Member Design: IS 800:2007 limit state checks for bending (Cl 8.2), shear (Cl 8.4), compression/buckling (Cl 7.1), deflection (L/300), and connection bolt capacity. Auto-selects adequate section from database. Pass/Fail with utilisation percentages.
5 — Foundation: IS 456:2000 RCC concrete block design — block sizing, bearing capacity, overturning stability (FoS ≥ 1.5), minimum steel area, chemical anchor selection, and concrete grade checks. Total block count calculated.
6 — Engineering Drawing: Four views — front elevation, foundation layout plan, cross-section, and connection detail — all auto-generated from your input parameters. Download as PNG.
7 — Component Database: steel sections (ISMC, ISA, SHS, RHS), fasteners & bolts (IS 1367), solar panels, and foundation blocks. All with full specifications.
8 — Full Report: STAAD-style engineering report covering all 11 sections including code references, load tables, material specs, member check summary, quality assurance checklist. Print or copy to clipboard.
IST Pitched Roof Solar MMS Structural Design & Analysis Tool
1 — Project Input: Wind standard selection (ASCE 7-10/16 or IS 875 Part 3), basic wind speed, exposure/terrain category, seismic zone, roof height, pitch angle, rafter span, panel gap (locked to 150mm minimum per IEC 62938), panel dimensions/weight, rail and hook spacing, steel grade, rail material (Al 6005A-T5, 6063-T6, Steel, SS316), and snow zone.2 — Roof Type: Six roof surfaces — Clay/Concrete Tiles, Metal Sheet, Corrugated Sheet, Asphalt Shingles, Slate, and Standing Seam Metal. Each auto-fills the correct dead load, hook type, waterproofing method, and tile overlap. Standing seam is highlighted as no-penetration (best option).
3 — Load Analysis: Complete wind analysis per ASCE 7-10/16 or IS 875 Part 3 including uplift and download coefficients specific to pitched roof panels, plus dead load, snow load (IS 875 Part 4), seismic base shear (IS 1893), and all five load combinations per IS 800 Table 4.
4 — Member Design: IS 800:2007 limit state checks for aluminium rail — bending (Cl 8.2), shear (Cl 8.4), and deflection (L/250). Auto-selects adequate rail section from database with utilisation percentages and pass/fail.
5 — Roof Hooks: Pull-out and shear capacity checks for the selected hook type with factor of safety ≥ 2.0. Waterproofing specification and galvanic isolation details per IEC 62938.
6 — Drawings: Four views — side elevation (showing pitch angle, 150mm gap, rails, hooks), top plan view (array layout with hooks), rail layout with hook positions and dimensions, and hook/bracket connection detail. All download as PNG.
7 — Component Database: Full CRUD for Rails/Profiles, Roof Hooks & Clamps, Mid/End Clamps, Fasteners, and Solar Panels with all specifications.
8 — Full Report: 13-section STAAD-style report covering all codes (ASCE 7, IS 875, IS 800, IS 1893, IEC 62938, IEC 62548), load tables, member design, hook design, installation notes, and quality checklist. Print or copy to clipboard.
To start a successful solar business, develop both technical skills like PV system design, installation, and maintenance, and business-focused skills such as project management, financial analysis, marketing, sales, and a strong business plan.
Solar project skills include both technical abilities and soft skills, combining knowledge of solar technology, electrical systems, and design software with project management, communication, problem-solving, and regulatory compliance expertise.
The Future of Solar Energy considers only the two widely recognized classes of technologies for converting solar energy into electricity — photovoltaics (PV) and concentrated solar power (CSP), sometimes called solar thermal) — in their current and plausible future forms.
We concentrate on the use of grid-connected solar-powered generators to replace conventional sources of electricity. For the more than one billion people in the developing world who lack access to a reliable electric grid, the cost of small-scale PV generation is often outweighed by the very high value of access to electricity for lighting and charging mobile telephone and radio batteries. In addition, in some developing nations it may be economic to use solar generation to reduce reliance on imported oil, particularly if that oil must be moved by truck to remote generator sites.
Discover the PV business and expand your professional options
Solar Project Design Master Course (Rooftop and Large solar system)
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 Power Plant Releated Cloud Software access from IST E-Library-
👉Know about IST Cloud App
- DCDB DESIGN Software
- Solar ACDB Designer Software
- Structural Design & Analysis Software
- Solar Water Pump Design Software
- Solar Power Plant Design Software
- Solar Power Plant SLD Drawing Software
- Solar Project Quotation Software
Admission going on for 1st Batch of Jul - 2026
PV Technology & Business Management - Business Course (Online)
(Rooftop and Large solar system)
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
- DCDB DESIGN Software
- Solar ACDB Designer Software
- Structural Design & Analysis Software
- Solar Water Pump Design Software
- Solar Power Plant Design Software
- Solar Power Plant SLD Drawing Software
- Solar Project Quotation Software
Admission going on for Jul - 2026
Calculation of electrical energy with solar power plant design
Learn the design fundamentals of photovoltaic projects. Gain knowledge and skills from engineers with real-life experience in solar energy and electrical delivery fields. You will also understand solar plant components and PV modules; DC system and AC collector design; civil and geotechnical issues; and interconnection to distribution and the bulk power grid.
A comparative analysis of Next generation solar power plants
Who Should Attend?
This course will benefit those new to the field of solar energy and those in need of a refresher, including:
- Renewable energy developers
- Electric utility design or planning engineers
- Power system dispatchers
- Consulting engineers
- Project managers
- Managers of design departments
- Engineering technicians
Solar Project Design Master Course (Rooftop and Large solar system)
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 Power Plant Releated Cloud Software access from IST E-Library-
👉Know about IST Cloud App
- DCDB DESIGN Software
- Solar ACDB Designer Software
- Structural Design & Analysis Software
- Solar Water Pump Design Software
- Solar Power Plant Design Software
- Solar Power Plant SLD Drawing Software
- Solar Project Quotation Software
Admission going on for 1st Batch of Jul - 2026
PV Technology & Business Management - Business Course (Online)
(Rooftop and Large solar system)
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
- DCDB DESIGN Software
- Solar ACDB Designer Software
- Structural Design & Analysis Software
- Solar Water Pump Design Software
- Solar Power Plant Design Software
- Solar Power Plant SLD Drawing Software
- Solar Project Quotation Software
Admission going on for Jul - 2026
Lithium-ion Battery Pack Assembly course (Solar, Energy storage and EV Battery)
Don’t wait any longer to learn about Lithium-ion, Take our business Course today and start your journey towards a more sustainable future.
For working professionals, early morning or night class slot available
👉 Introduce with Mentor
Practical training - cell sellection, cell IR testing, cell balancing, charge discharge testing, module & pack assembling, enclosure selection, all machinery selection, assembly line planning and layout drawing, costing of assembly line, working capital, investment, ROI, business projection making, different product design.
Battery Pack Design Cloud Software access from IST E-Library-
- 2W 3W Battery Pack Software
- ESS Battery Pack Software
Admission going on Jul - 2026
Solar Power EV Charging Station Design Course
Combo course including Solar PV Technology, Lithium-ion Battery Technology and EV Charging Station TechnologyFor working professionals, early morning or night class slot available
Solar charging stations for electric vehicles have emerged as one of the best ways to reduce India’s dependence on fossil fuels. Nearly everyone who owns an Electric vehicle will install a solar charging station in their home. Certificate in Solar Power EV Charging Station (Design and Development) Training Program is a master courses that takes an Engineer, designe engineer, installer from site assessment, all the way through power-up and pinpointing.
Admission going on for Jul - 2026
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.
State-Wise List of Solar Inverter Manufacturers
- Gujarat: Goldi Solar, Helox Power, Citizen Solar, ASEL, Hi-Rel Power Electronics, Cathode Power, UR Energy, Crystal Solar Energy, Xwatt Energy, Gronsol Solar Inverter (Surat).
- Maharashtra: Polycab, Praflux, Tata Green Batteries, KSolare Energy, EnerTech UPS, Selec Controls, Kirloskar Solar, Waaree Energies, UCS, ProstarM Info Systems, Vertiv Energy (formerly Emerson).
- Haryana: Luminous Power Technologies, AEI, Envisun Solar, Eastman, Smarten, Electrower Technologies, Loom Solar, Livfast, Livguard, Himalayan Solar, OOMIPL.
- Tamil Nadu: Swelect Energy Systems, Feston, IPC Technologies, Sakthi Electrical Control, Hotsun Solar Systems, SIASPL, Evolve Energy, Vispra, Kongu Engineers.
- Delhi/NCR: MuscleGrid, Luxntek, Friend Solar, Turbosun, Omcam Power, Galo Energy, TPIL, UTL, Sun Stellar, Usha Shriram Enterprises, Servotech.
- Uttar Pradesh: NEPL, Khaitan Solar, Solarvin, Statcon Energiaa, Sanguard, Tracksun Solar, Lento, Enventa Power, ARM Power, Ritika, Livsol, Fortuner, SunGarner.
- Kerala: Sakthi Inverters, Reverie Solar, Murickens, Electra, Fuze Batteries, Lagnuvo, Beacon Power Systems, V-Guard, Keltron.
- Karnataka: Maruthi Solar Systems, SETfusion, GTD Labs, Powerone Micro Systems, POM Power, Techser Power Solutions, Pace Power Systems, ABB India (Bengaluru).
- West Bengal: Thea, Exide Industries, Agni Power & Electronics, Signotron, Optimal Power Synergy.
- Uttarakhand: Sunflix Energia, KamTech, NECS Electric, Eapro Global.
- Odisha/Telangana: IYRO Solar (Odisha), Glow Power Technologies, Firefly Technologies, Analogics Tech, Solar Idea, PPS Enviro Power (Telangana).
- Himachal Pradesh/Rajasthan: Su-kam Power (Himachal Pradesh), Duak, One Sun, Kayam Solar, Novergy (Rajasthan).
At this moment free training registration is not available at IST but will start soon!. Visit us after some days, we will update.
Here's a more detailed look at what makes IST stand out:
Practical Training:
IST focuses on providing practical, hands-on training in the solar sector. This includes training on the latest products and technologies used in solar installations.
Industry-Standard Syllabus:
The institute uses an industry-standard syllabus, ensuring that students are equipped with the knowledge and skills needed for the solar industry.
Expert Faculty:
Reviewers praise the quality of instructors and the ease with which complex topics are explained, according to the Institute of Solar Technology Advisors.
Focus on Entrepreneurship:
IST aims to empower students to become solar entrepreneurs, providing them with the knowledge and skills to start their own businesses in the solar field
Support and Resources:
IST provides resources like an e-library and round-the-clock support, fostering self-learning and development.
Alumni Success:
IST boasts a network of successful alumni who have made notable contributions to the solar industry.
Pioneer in PV Solar Technology:
IST is recognized as a leader in PV solar technology training and has been an academic partner with the national and international University
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