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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.

8760-Hour Solar Simulation Improves Rooftop PV Generation

A year has 8,760 hours. An 8,760-hour simulation calculates solar irradiance, cell temperature, and power output separately for every single one of them, using real (or representative) hourly weather data for the site.
Utility-scale ground-mount systems are relatively forgiving of simulation shortcuts: uniform tilt, uniform azimuth, minimal shading. Rooftops are the opposite case, and that's exactly where hourly resolution earns its keep.
Multiple roof planes, multiple micro-climates. A single rooftop system often spans two or three faces at different tilts and azimuths — a south-facing main roof plus an east-facing dormer, say. Each face has its own hourly irradiance curve; a monthly average can't capture how the east face's morning peak and the south face's midday peak interact with a shared inverter's clipping threshold.
Shading is a time-of-day problem, not an annual-average problem. A chimney, a neighboring tree, or an HVAC unit doesn't cast a flat "5% shading loss" — it casts a shadow that sweeps across specific modules at specific hours, on specific days of the year, with a specific angular geometry. Only an hour-by-hour (ideally sub-hourly) simulation, working from real sun-position and shading-object geometry, gets this right. Annualized shading factors routinely mis-estimate the loss by 2-3x in either direction.
Temperature swings hour by hour. Module output drops meaningfully as cells heat up — typically -0.3% to -0.4% per °C above 25°C. On a rooftop with limited airflow underneath the array, a module might run 15-20°C hotter than ambient at 1pm in summer. Capturing that requires an hourly cell-temperature model (using ambient temperature, wind speed, and irradiance at that specific hour), not a monthly average temperature.
Inverter clipping is inherently a peak-moment phenomenon. If a system is sized with a DC/AC ratio above 1.0 (common for cost optimization), the inverter will clip excess DC power during a fairly narrow band of high-irradiance hours around midday in summer. A monthly-average model simply cannot see this clipping window; only an hourly (or sub-hourly) simulation can quantify how much energy is actually lost to it.

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 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)

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 -
👉Know about IST SunPower System solar software

1. Site Assessment
2. Hybrid On-Grid System Simulation
3. Solar DCDB Design
4. Solar ACDB Design
5. Solar Power Plant SLD
6. Solar Project Quotation
7. Solar Project Bankability Report
8. Solar Power Plant BOQ

Admission going on for 2nd Batch of Nov - 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 -
👉Know about IST SunPower System solar software

1. Site Assessment
2. Hybrid On-Grid System Simulation
3. Solar DCDB Design
4. Solar ACDB Design
5. Solar Power Plant SLD
6. Solar Project Quotation
7. Solar Project Bankability Report
8. Solar Power Plant BOQ

Admission going on for Nov - 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.