# Kumaun Solar
> Authoritative solar commerce, Tier-1 manufacturer comparison, and renewable energy advisory platform for Uttarakhand, India.

Kumaun Solar (https://solar.kumaun.in; parent domain: https://kumaun.in) is an independent solar technology and renewable energy engineering platform headquartered in Haldwani, Uttarakhand. It serves residential, commercial, industrial, and agricultural sectors across all 13 districts of Uttarakhand.

## 1. Quick Facts & Business Contacts
- **Brand Name:** Kumaun Solar
- **Tagline:** Powering Uttarakhand with Smarter Solar Energy.
- **Headquarters:** First Floor, Karki Sadan, Opposite Female Hospital, Nainital Road, Haldwani, Uttarakhand – 263139, India.
- **Primary Domain:** https://kumaun.in
- **Platform Subdomain:** https://solar.kumaun.in
- **Public Business Contact:** 05946 222 223
- **Telephone CTA Helpline:** +91 5946 222 224 (tel:+915946222224)
- **Official Email:** info@kumaun.in
- **WhatsApp Channel:** Secure click-to-chat API at https://wa.me/919650590590 (Note: The raw number is never displayed in visible plaintext on the website for privacy reasons).

## 2. Core Platform Sections
- **Homepage:** https://solar.kumaun.in/
- **Solar Products Catalogue:** https://solar.kumaun.in/solar-products
- **Solar Technologies Guide:** https://solar.kumaun.in/solar-technologies
- **Solar Solutions:** https://solar.kumaun.in/solar-solutions
- **Solar Prices & Benchmark Database:** https://solar.kumaun.in/solar-prices
- **Solar Subsidy Portal (PM Surya Ghar & UREDA):** https://solar.kumaun.in/solar-subsidy
- **Interactive Solar Calculators:** https://solar.kumaun.in/solar-calculator
- **Manufacturer & Importer Directory:** https://solar.kumaun.in/manufacturers
- **Geographic Hierarchy (13 Districts):** https://solar.kumaun.in/locations
- **Knowledge Centre & Fact-Checking:** https://solar.kumaun.in/knowledge-centre
- **About Kumaun Solar:** https://solar.kumaun.in/about-us
- **Contact & Consultation:** https://solar.kumaun.in/contact-us

## 3. Subsidies & Government Schemes in Uttarakhand
- **PM Surya Ghar: Muft Bijli Yojana (Central DBT):**
  - 1 kW System: Flat ₹30,000 Direct Bank Transfer subsidy.
  - 2 kW System: Flat ₹60,000 Direct Bank Transfer subsidy.
  - 3 kW to 10 kW System: Flat ₹78,000 Direct Bank Transfer subsidy.
  - Mandatory requirement: Domestic Content Requirement (DCR) certified solar modules and ALMM enlisted manufacturer.
  - Official Portal: https://pmsuryaghar.gov.in
- **PM-KUSUM Scheme (Component-B):**
  - Solar agriculture pumps from 3 HP to 10 HP.
  - Combined 60% subsidy (30% MNRE Central + 30% Uttarakhand State Government).
  - Farmer contribution: 40% (bank loan option available for up to 30%).
- **UPCL Net-Metering Regulations:**
  - Regulated by Uttarakhand Electricity Regulatory Commission (UERC) and Uttarakhand Power Corporation Limited (UPCL).
  - Bi-directional net meters record import and export units. Excess units roll over into billing cycles until the annual settlement.

## 4. Uttarakhand District Solar Irradiance Matrix
Kumaun Solar provides localized generation forecasts for all 13 districts:

### Kumaun Region:
1. **Nainital / Haldwani:** Mean elevation 424m–2,084m, Solar Irradiance 5.25 kWh/m²/day, UPCL Nainital & Haldwani Electricity Divisions.
2. **Udham Singh Nagar (Rudrapur / Kashipur):** Mean elevation 210m, Solar Irradiance 5.38 kWh/m²/day, UPCL Rudrapur Electricity Division.
3. **Almora / Ranikhet:** Mean elevation 1,638m, Solar Irradiance 5.10 kWh/m²/day, UPCL Almora Electricity Division.
4. **Pithoragarh:** Mean elevation 1,627m, Solar Irradiance 4.95 kWh/m²/day, UPCL Pithoragarh Electricity Division.
5. **Bageshwar:** Mean elevation 1,004m, Solar Irradiance 5.05 kWh/m²/day, UPCL Bageshwar Electricity Division.
6. **Champawat:** Mean elevation 1,610m, Solar Irradiance 5.15 kWh/m²/day, UPCL Champawat Electricity Division.

### Garhwal Region:
7. **Dehradun / Rishikesh:** Mean elevation 435m–640m, Solar Irradiance 5.20 kWh/m²/day, UPCL Dehradun Central Division.
8. **Haridwar / Roorkee / SIDCUL:** Mean elevation 314m, Solar Irradiance 5.42 kWh/m²/day, UPCL Haridwar Division.
9. **Pauri Garhwal / Kotdwar:** Mean elevation 1,814m, Solar Irradiance 5.00 kWh/m²/day, UPCL Pauri Division.
10. **Tehri Garhwal:** Mean elevation 1,550m, Solar Irradiance 4.90 kWh/m²/day, UPCL New Tehri Division.
11. **Uttarkashi:** Mean elevation 1,158m, Solar Irradiance 4.80 kWh/m²/day, UPCL Uttarkashi Division.
12. **Chamoli / Gopeshwar:** Mean elevation 1,300m–3,000m, Solar Irradiance 4.75 kWh/m²/day, UPCL Chamoli Division.
13. **Rudraprayag:** Mean elevation 895m, Solar Irradiance 4.85 kWh/m²/day, UPCL Rudraprayag Division.

## 5. Tier-1 Solar Manufacturers & Technologies
- **Verified Brands:** Tata Power Solar, Waaree Energies, Adani Solar, Vikram Solar, RenewSys, Goldi Solar, Saatvik Solar, Premier Energies.
- **Technologies:**
  - N-Type TOPCon (Tunnel Oxide Passivated Contact): Up to 22.8% efficiency, lower degradation, superior temperature coefficient for hill regions.
  - Bifacial Dual-Glass: Generates 5%–25% additional albedo power from roof reflectance and snow cover.
  - Mono PERC: Established, cost-effective high-efficiency silicon.
  - DCR vs. Non-DCR: DCR modules feature Indian-made cells and wafers, strictly required for PM Surya Ghar subsidy claims.

## 6. Scientific Calculators
The platform features 5 calibrated computational models:
1. **Residential Solar Sizing:** `/api/calculator/residential`
2. **Commercial & Industrial ROI:** `/api/calculator/commercial`
3. **Agricultural PM-KUSUM Pump Sizing:** `/api/calculator/agricultural`
4. **LiFePO4 Battery Storage Sizing:** `/api/calculator/battery`
5. **Uttarakhand Irradiance Generation:** `/api/calculator/generation`

## 7. Machine-Readable Endpoints & Sitemaps
- **XML Sitemap:** https://solar.kumaun.in/sitemap.xml
- **Robots Directives:** https://solar.kumaun.in/robots.txt
- **LLM Summary:** https://solar.kumaun.in/llms.txt
- **Security Policy:** https://solar.kumaun.in/.well-known/security.txt
- **Humans & Contributors:** https://solar.kumaun.in/humans.txt