Proven Results

Solar Case Studies.

Real projects, real numbers. See how HK Energies has delivered measurable ROI for customers across India.

🏭
Industrial

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

🏨
Commercial

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

🏢
Commercial

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

⚗️
Industrial

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

🏠
Residential

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

🌾
Agricultural

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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