Reduce electricity bills by 60-80%. Direct impact on household budget, especially in summer.
Generate own electricity. No dependence on grid tariff hikes or power cuts (with battery).
Excess generation credited to account. Can sell electricity back to grid at favorable rates.
Flats with solar systems valued 3-5% higher. Major selling point for environmentally conscious buyers.
Depreciation benefits if rented out. Home loan interest deduction eligibility (for green homes).
Personal contribution to clean energy goals. Reduce carbon footprint by 2-3 tons/year per household.
Investment:
System Cost (3 kW @ ₹50,000/kW): ₹1,50,000
MNRE Subsidy (30%, ₹15L cap): -₹45,000
NET INVESTMENT: ₹1,05,000
Annual Financial Benefits (Typical 3-BHK Flat in Pune):
Current Electricity Bill: ₹6,000/month = ₹72,000/year
With 3 kW Solar:
– Daily generation (avg): 12 unitsAnnual
– generation: 12 × 365 = 4,380 units
Financial Calculation:
– Direct use value: 3,000 × ₹8 = ₹24,000
– Excess credit: 1,380 × ₹6 = ₹8,280
– Total annual benefit: ₹32,280
Grid Purchase Needed:
– Remaining consumption (night + cloudy): 500 units
– Cost: 500 × ₹8 = ₹4,000
ANNUAL SUMMARY:
Old annual bill: ₹72,000
Solar generation benefit: ₹32,280
Grid purchase: ₹4,000
NEW ANNUAL BILL: ₹4,000
Annual Savings: ₹68,000 (94% reduction!)
25-Year Projection:
Year 1-5: ₹68,000 × 5 × 0.95 = ₹3,23,000
Year 6-10: ₹68,000 × 5 × 0.90 = ₹3,06,000
Year 11-15: ₹68,000 × 5 × 0.85 = ₹2,89,000
Year 16-20: ₹68,000 × 5 × 0.80 = ₹2,72,000
Year 21-25: ₹68,000 × 5 × 0.75 = ₹2,55,000
———–
TOTAL 25-YEAR SAVINGS: ₹14,45,000
Less: Maintenance ₹5,000/year: -₹1,25,000
NET 25-YEAR BENEFIT: ₹13,20,000
KEY METRICS:
Payback Period: 1.5 years
ROI: 125% (very attractive!)
Total Benefit: ₹13.2 lakhs over 25 years
Monthly Savings ₹5,000-6,500 ₹150-300 Individual saves 20x more
| Aspect | Individual Solar | Society Solar | Difference |
|---|---|---|---|
|
Investment Required |
₹1,05,000
|
None (society
covers)
|
Individual invests more
|
|
Payback Period |
1.5-2 years |
3 years |
Individual faster
payback |
|
Tax Benefits |
Depreciation
available |
N/A |
Individual
advantage |
|
Resale Value |
+3-5% property
premium |
+2-3% |
Individual
advantage |
|
Control |
Complete
independence
|
Democratic
process
|
Individual more
autonomy
|
|
Financing
Options
|
Personal loan/EMI |
Society loan |
More options
individual
|
Site Assessment
– Evaluate available roof/balcony space
– Structural strength verification
– Shade and generation potential analysis
– Take measurements and photos
System Design
– Custom design based on available space and consumption
– Financial projections with your actual bills
– Multiple options provided (1 kW, 3 kW, 5 kW)
– Choose system size matching budget
Building Approvals
– Obtain NOC from society/landlord (if rented)
– Share structural assessment with building authorities
– Document approval (usually straightforward)
– Get permission in writing
MSEDCL Net Metering Application
– Apply for individual net metering in your name
– MSEDCL processes application
– Issues approval-in-principle
– Allocates net metering capacity
Material Ordering
– Source quality panels, inverter, balance system
– Verify all certifications
– Schedule delivery to building
Installation Execution
– Install mounting structure on allocated roof space
– Mount solar panels safely
– Install inverter in electrical room or dedicated space
– Run DC cables to inverter
– Connect AC output to main electrical panel
– Complete all safety connections
Safety & Compliance
– Electrical safety certification
– Structural safety verification
– Installation photographs
– Warranty documentation
Net Meter Installation
– MSEDCL technician installs bidirectional net meter
– Replaces your old meter
– System ready for grid connection
System Activation & Testing
– System connected to grid
– Final performance verification
– Staff training on usage and monitoring
– Mobile app access provided
Official Handover
– All documentation provided (warranty, operation manual)
– Performance verification report
– Annual maintenance plan explained
PHASE 1: Expression of Interest
– Survey all residents: Who wants individual solar?
– Record roof space preference (1-5 kW system)
PHASE 2: Space Calculation
– Total available: 2,160 sq m
– 1 kW system needs: 5-6 sq m
– 3 kW system needs: 15-18 sq m
– 5 kW system needs: 25-30 sq m
Example Distribution: If 50 residents want solar
– 30 residents: 2 kW each = 30 × 12 = 360 sq m
– 15 residents: 3 kW each = 15 × 17 = 255 sq m
– 5 residents: 4 kW each = 5 × 24 = 120 sq m
Total: 735 sq m (32% of available roof)
PHASE 3: Priority Allocation
– Ground floor: Preference for accessible systems
– Top floor: Preference if strong rooftop access
– Middle floors: Balanced allocation
– Long-term residents: Priority consideration
– First-come basis for remaining space
PHASE 4: Space Reservation
– Allocate specific roof zones to each interested resident
– Document allocation in society records
– Reserve Phase 2 expansion space
– Publish allocation in society circular
Conflict Resolution:
– Disputes handled by society solar committee
– Fair allocation criteria documented
– Transparency in all decisions
– Appeal process for objections
Profile: 2-BHK apartment, 2-AC households, ₹8,000/month electricity
bill Challenge: High summer bills (₹12,000+ in April-May)
Solution: 3 kW rooftop solar system with net metering
Results (First Year):
– Annual electricity bill: ₹72,000 → ₹6,000 (92% reduction!)
– Monthly average: ₹600 (incredible savings)
– Summer bills: Now manageable, never exceeds ₹1,500
– Payback achieved in: 1.5 years
– Additional: Flat sold at premium citing “solar + low bills”
Client Quote: “Best investment ever. Pays for itself in 18 months and then decades of cheap electricity!”
Profile: Elderly couple, 1-AC flat, ₹4,000/month bill
bill Challenge: Fixed income, rising electricity costs concerning
Solution: 1.5 kW balcony-mounted system (compact, safe)
Results (First Year):
– Monthly bill: ₹4,000 → ₹500 (88% reduction!)
– Annual savings: ₹42,000
– This covers major portion of their living expenses
– Payback: 2.5 years
– System so simple, minimal maintenance needed
Impact: Seniors can afford better lifestyle with substantial bill reduction
| Option | Amount | Terms | Monthly Burden |
|---|---|---|---|
|
Personal Loan |
₹1,05,000 |
3-5 years @ 10% |
₹2,200-3,000 |
|
Home Loan
Top-up |
₹1,05,000 |
5-15 years @ 8% |
₹1,500-2,200 |
|
Credit Card EMI |
Up to
₹1,50,000
|
6-12 months |
₹8,500-12,500 |
|
Employer Loan |
Varies |
3-7 years |
0-2% interest |
|
Direct Payment |
₹1,05,000 |
One-time |
Upfront cost |
|
ESCO Model |
Zero upfront |
5 years, pay from
savings
|
₹3,000/month |
How It Works:
– We install system at NO upfront cost
– You pay monthly from electricity savings
– Typical payment: ₹3,000-3,500/month for 5 years
– After 5 years, system is yours (FREE)
Example:
– Normal: ₹1,05,000 upfront → ₹1,05,000 out of pocket
– ESCO: ₹3,200 × 60 months = ₹1,92,000 total
BUT: Your bill drops from ₹6,000 → ₹500
Your NET savings: ₹5,500 – ₹3,200 = ₹2,300/month extra income!
RESULT: Same or better cash flow + no upfront cost!
Individual Net Meter Installation
– MSEDCL installs bidirectional meter in your meter box
– Measures electricity going to AND from your flat
Daytime Generation
– Solar panels generate during day
– Home appliances use first priority
– Excess automatically flows to grid
– Your meter runs backward (credit earned)
Night Time
– You draw from grid (meter runs forward)
– Pay only for units actually consumed
Monthly Settlement
– Units generated – units consumed = net billing
– If you generate more than consume, credits carry forward
– Year-end: Excess credits may be credited as cash
Billing Example (Individual Apartment):
MONTH: JUNE (Apt in Pune)
Daily Pattern:
– 6 AM – 8 PM: Solar generation
– 8 PM – 6 AM: Grid draws
SOLAR GENERATION:
– 3 kW system × 5 hours/day × 30 days = 450 units
HOME CONSUMPTION:
– Daytime: 100 units (while solar generating)
– Night: 80 units (from grid)
– Cloudy hours: 20 units (from grid)
Total consumption: 200 units
NET CALCULATION:
Generated: 450 units
Consumed from grid: 200 units
Net surplus: 250 units
Credit value: 250 × ₹6/unit = ₹1,500 credit
Your Bill:
– Fixed charges: ₹100
– Taxes: ₹50
– Total: ₹150 (credit absorbed bulk of bill!)
Annual Benefit:
12 months × ₹1,500 = ₹18,000 annual credit
Plus eliminating 200-unit consumption = ₹1,600/month value
Total benefit: ₹30,000+ per year
Mobile App Features:
– Real-time generation display
– Daily, monthly, yearly statistics
– Bill savings tracking
– CO2 reduction counter
– System alerts/notifications
– Performance ratio monitoring
Maintenance Requirements:
– Panel Cleaning: Bi-annually (optional—can DIY with soap water)
– Inverter Check: Annual professional inspection
– Safety Inspection: Annual electrical safety audit
– Performance Verification: Annual comparison vs. projection
Annual Maintenance Cost: ₹3,000-5,000
Preventive Maintenance Benefits:
– Extends system life to 30+ years
– Maintains performance above 80%
– Bill savings tracking
– CO2 reduction counter
– System alerts/notifications
– Performance ratio monitoring
Maintenance Requirements:
– Panel Cleaning: Bi-annually (optional—can DIY with soap water)
– Inverter Check: Annual professional inspection
– Safety Inspection: Annual electrical safety audit
– Performance Verification: Annual comparison vs. projection
