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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:

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

#	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):

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

Rooftop Hybrid Solar Simulation Software RHS Version-11.12

Rooftop Hybrid Solar (RHS) V.11.12 appears to be a specialized, often freely available, simulation software tool used for designing, modeling, and analyzing rooftop solar photovoltaic systems, particularly those combined with battery storage. It helps users simulate system performance, evaluate hybrid setups (grid + battery), and often aids in technical, financial, and regulatory planning for solar installations.

• Definition: A hybrid system combines solar panels with a battery system to store energy, while remaining connected to the utility grid, offering both off-grid and on-grid capabilities.
• Simulation & Design: Software like RHS V.11.12 helps optimize component selection, such as inverter sizing, battery capacity, and panel orientation.
• Benefits: These systems are versatile, offering continuous power during grid outages, reducing high-tariff electricity consumption, and maximizing self-consumption.
• Components: Simulations typically include photovoltaic modules, hybrid inverters, Lithium-ion or Lead-acid battery packs, and monitoring systems.
• Hybrid & Storage Focus: RHS specializes in hybrid systems (combining solar with storage - Lithium-ion battery ESS) to maximize self-consumption.
• Performance Analysis: These tools calculate energy yield, production losses, PR %, CUF, Specific Yield per Day, DC/AC ratio and Yearly and monthly average values of photovoltaic electricity (AC) delivered by the total installed capacity of a PV system.
• Financial Analysis: Calculates critical financial indicators such as Levelized Cost of Energy (LCOE) and Return on Investment (ROI) to evaluate profitability.
• Technical Planning: Assists in auditing and designing, suitable for professional solar project development.

This software developed and offered by the Institute of Solar Technology (IST), to help professionals and rooftop solar vendor in the solar industry. 

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.

IST Solar startup courses teach you how to establish and manage a business in the solar industry, covering topics like business model development, solar PV technology, project management, and the design of various solar systems, including residential, commercial, and electric vehicle charging stations. This 22-day program provides technical training, business skills, regulatory insights, market linkages, access to finance, and mentorship for solar energy business.

What You Can Learn

1. Solar PV System Design: Learn to design residential, commercial, and large-scale solar power plants.
2. Technology & Management: Get insights into PV technology, lithium-ion battery assembly, and the management of the technical and commercial aspects of a solar project.
3. Business Development: Understand different business models, market opportunities, and how to manage solar projects from start to finish.

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.

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 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 2nd Batch of Jul - 2026

Rating:

Submit Registration (Online Course)

Go to Course Page

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

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:

Submit Registration (Online Course)

Go to Course Page

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.

Solar Business Opportunities

The growing demand for green energy has made solar products more relevant in present times. The following are some of the recognized and undeveloped prospects for the solar energy business in India:

1. Solar Projects to Develop and Own
   You can also continue to work on your solar projects. All you have to do now is assemble a team of experts in solar energy and equipment. Utilize your previous experience executing solar projects by developing and implementing a solid business plan, acquiring funds, and finally constructing it.
2. Consultants for Solar Projects
   During the solar installation project, you will be expected to supervise, monitor, and offer recommendations as a consultant. You'll be in charge of guiding clients through the whole solar installation procedure. You can either work for yourself or for a consulting firm.
3. Auditing of Solar Energy
   This opportunity is for people who have a deep understanding of the energy situation and how to meet energy demands. This is a prerequisite for anyone interested in having solar panels installed on their property. Starting this business requires a small investment. An auditor can act as a salesperson, promoting environmental conservation through the use of natural and renewable energy sources such as solar power, as well as advising clients on how to regulate and limit their energy consumption.
4. Solar Product Distribution
   In India, starting a distribution company in the solar energy sector could be a great business opportunity. Once you've discovered a reputable solar product manufacturer in your area, you'll need to find distributors. Then you can start trading and making money.

Lithium-ion battery Business Opportunities

The lithium-ion battery market presents numerous business opportunities, driven by the increasing adoption of electric vehicles, consumer electronics, and energy storage systems. Lithium-ion battery storage is increasingly becoming a necessity for MW-scale solar power plants, especially in regions with grid instability or limited grid capacity. The lithium-ion battery market is poised for significant growth, largely driven by the increasing adoption of electric vehicles (EVs) and the integration of renewable energy sources like solar power into the grid.
Providing end-to-end solutions for designing, installing, and maintaining Energy Storage System, including solar storage systems for homes and businesses.

Lithium-ion battery business course focus on lithium-ion battery pack assembly for various applications like electric vehicles (EVs), energy storage systems (ESS), and solar applications.

1. Battery Pack Assembly: Assembling individual cells into packs tailored for specific applications like electric vehicles, energy storage, and consumer electronics.
2. Specialized Batteries: Developing and manufacturing batteries for niche markets like defense equipment, medical devices, and specialized industrial applications.
3. Integration with Renewables: ESS plays a vital role in balancing the intermittency of solar and wind power. Businesses can focus on developing and deploying ESS solutions for residential, commercial, and industrial applications.

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 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 2nd Batch of Jul - 2026

Rating:

Submit Registration (Online Course)

Go to Course Page

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

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:

Submit Registration (Online Course)

Go to Course Page

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

Techno Commercial Course to setup Lithium-ion battery assembly line for solar application, energy storage and EV 2W, 3W etc.
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-

1. 2W 3W Battery Pack Software
2. ESS Battery Pack Software

Admission going on Jul - 2026

Rating:

Submit Registration

Go to Course Page

Solar Power EV Charging Station Design Course

Combo course including Solar PV Technology, Lithium-ion Battery Technology and EV Charging Station Technology

Solar Power EV Charging Station Design Course:

For 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

Rating:

Submit Registration

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