Proven Results
Solar Case Studies.
Real projects, real numbers. See how HK Energies has delivered measurable ROI for customers across India.
200 kW Industrial Rooftop — Mehta Industries
📍 Pune, Maharashtra
200 kW
Capacity
₹85 Lakhs
Investment
₹18 Lakhs
Annual Saving
4.7 years
ROI
Challenge
Mehta Industries was spending ₹22 lakhs annually on electricity for their manufacturing facility. Rising tariffs were squeezing margins.
Solution
HK Energies designed a 200 kW rooftop solar system using bifacial panels with string inverters. The system covers 65% of total electricity consumption.
Result
Electricity bill reduced from ₹22L to ₹4L per year — a saving of ₹18L annually. Full ROI achieved in 4.7 years. System will generate free power for 20+ more years.
🌱 CO₂ saved: 180 tonnes/yr
500 kW Multi-Property Solar — Reddy Hospitality Group
📍 Visakhapatnam, AP
500 kW
Capacity
₹1.8 Crores
Investment
₹45 Lakhs
Annual Saving
3.5 years (after subsidy)
ROI
Challenge
Three hotel properties with combined electricity bills of ₹55 lakhs per year. The group wanted to reduce costs and improve their sustainability credentials.
Solution
Installed 500 kW across three properties — rooftop systems on each hotel. HK Energies managed all DISCOM approvals and subsidy paperwork centrally.
Result
Combined annual saving of ₹45 lakhs. ROI achieved in 3.5 years after PM Surya Ghar subsidy. Hotels now market themselves as 'solar-powered' — a competitive advantage.
🌱 CO₂ saved: 450 tonnes/yr
1 MW Solar Carport — Bengaluru Tech Park
📍 Bengaluru, Karnataka
1 MW
Capacity
₹3.8 Crores
Investment
₹90 Lakhs
Annual Saving
3.2 years
ROI
Challenge
IT park with large parking area and high electricity consumption. Management wanted to utilise unused space while reducing energy costs.
Solution
Solar carport canopy over 400 parking spaces. Dual benefit — generates 1 MW of power while providing shade for vehicles. Integrated EV charging points.
Result
₹90 lakhs annual saving. Parking area now generates revenue. 40% of campus electricity from solar. ESG reporting significantly improved.
🌱 CO₂ saved: 900 tonnes/yr
5 MW Ground-Mounted Plant — Nagarjuna Fertilizers
📍 Kakinada, AP
5 MW
Capacity
₹18 Crores
Investment
₹4.5 Crores
Annual Saving
2.8 years (PPA model)
ROI
Challenge
Fertilizer plant with massive electricity consumption of ₹6 crores annually. Needed a large-scale solution with minimal capital outlay.
Solution
5 MW ground-mounted solar farm on adjacent land using PPA financing model. HK Energies built, owns, and operates the plant. Client pays only for power consumed.
Result
Zero capital investment by client. Electricity cost reduced from ₹6Cr to ₹1.5Cr per year. 25-year PPA locks in low energy rates. Largest single installation by HK Energies.
🌱 CO₂ saved: 4,500 tonnes/yr
50 kW Common Area Solar — Sunrise Apartments
📍 Chennai, Tamil Nadu
50 kW
Capacity
₹18 Lakhs
Investment
₹4.5 Lakhs
Annual Saving
3.8 years (after subsidy)
ROI
Challenge
120-unit apartment complex with high common area electricity bills — lifts, lighting, pumps, and security systems costing ₹7 lakhs per year.
Solution
50 kW rooftop solar on common terrace. Net metering credits offset common area bills. Residents voted unanimously to proceed after seeing the ROI calculation.
Result
Common area maintenance charges reduced by 60%. Annual saving of ₹4.5 lakhs. Residents now pay ₹500/month less in maintenance. Property value increased.
🌱 CO₂ saved: 45 tonnes/yr
10 kW Agri-Solar Pump — Srinivasa Farm
📍 Nalgonda, Telangana
10 kW
Capacity
₹3.2 Lakhs (after PM-KUSUM subsidy)
Investment
₹1.1 Lakhs
Annual Saving
2.9 years
ROI
Challenge
Farmer spending ₹1.2 lakhs annually on electricity for irrigation pumps. Unreliable power supply was affecting crop yields.
Solution
10 kW ground-mounted solar system powering 7.5 HP irrigation pump. Funded under PM-KUSUM scheme with 90% subsidy. HK Energies handled all paperwork.
Result
Zero electricity cost for irrigation. Reliable power supply improved crop yield by 20%. Net annual saving of ₹1.1 lakhs. Farmer now earns extra by selling surplus power.
🌱 CO₂ saved: 9 tonnes/yr
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