battery.mom

Make Your Condo or Apartment 80–100 % Self-Powered

New

Instantly size the ideal shared solar + battery system for your building. Switch between retrofit and new development models — see cost per unit, payback, blackout hours, and zero-bill days in real time.

Optimize
Inputs
Participation, roof, existing solar, batteries
Loading…Malaysia
Power requirements

Participation, roof, and common loads

Residential units
80 units
10500
Participation rate
80%
30%100%
Roof area
Solar-ready m²
1200 m²
2008000
Roof quality
Existing solar
Common area load
Optional
System setup

Solar sizing and shared battery bank

Planned solar
204 kW
Battery quantity
6 units
Total usable capacity
0 kWh
Battery model
Quantity
i
Accurate 2025 tariffs + dailyCycle logic
Solar yield, tariff escalation, and battery coverage mirror the /bess/home model for Southeast Asia. Discounts scale with unit count.
Live Outputs
Auto-updates when you move any slider or toggle
Retrofit
Total system cost
Includes 15% bulk discount
RM554,880
Cost per household
Participating units
RM8,670
Monthly savings
Per participating household
RM186
Payback3.9 years
Zero-bill days / year239 days
Blackout protection
Whole building runtime
0.0 hrs
CO₂ avoided222,635 kg/yr
RecommendationOptimal: 204 kW solar + 6 × battery
Monthly bill
Per participating household
Live
Energy mix
Solar + battery coverage
73%
Payback glide
Progress to breakeven
3.9 yrs
CO₂ avoided
Tonnes per year
222.6 t

🏅 Green Certification Estimator

Estimated points from your 204 kW solar + 0 kWh battery system

GBI

Green Building Index (Malaysia)

Not rated
27/ 100 pts
Renewable Energy (EE1)
204 kW solar → 2 pts per 10 kW
15/15
Energy Storage (EE2)
0 kWh storage
0/5
Grid Independence (EE3)
73% self-powered
7/10
Carbon Reduction (SM1)
222.6t CO₂/yr avoided
5/5
Innovation (IN1)
Integrated solar+battery system
0/3

BCA Green Mark

BCA Green Mark (Singapore)

Not rated
33/ 120 pts
Renewable Energy
204 kW solar → 2 pts per 5 kW
20/20
Energy Storage
0 kWh battery
0/10
Smart Grid Ready
No storage
0/5
Carbon Reduction
222.6t CO₂/yr
10/10
Energy Resilience
73% self-powered
3/5

LEED v4.1

LEED v4.1 (International)

Gold contribution
13/ 110 pts
EA: Renewable Energy
204 kW on-site solar
5/5
EA: Enhanced Performance
73% energy offset
8/18
EA: Grid Harmonization
Demand response capable
0/2
IN: Innovation
Integrated solar+battery
0/5

* Points are indicative estimates based on simplified scoring models. Actual certification requires professional assessment. GBI is most relevant for Malaysia, BCA Green Mark for Singapore. LEED points shown are energy-related credits only (EA + IN categories).

📊 ESG Reporting Dashboard

Annual projections for CDP, GRI, and TCFD reporting

GRI 302/305CDP C6/C7TCFD
CO₂ avoided
222.6t
per year
Renewable %
73%
of total energy
Solar gen.
343
MWh/year
Grid factor
0.585
kg CO₂e/kWh
Annual impact equivalences
🌳
10,602
trees planted
🚗
48.4
cars off the road
✈️
202
KL↔London flights
20-Year CO₂ Avoidance
4453 tonnes
Scope 2 reduction · Malaysia grid mix
20-Year Energy Savings
RM3,569,430
At current tariff rates
Report-ready snippet
ESG ENERGY & CLIMATE METRICS
Reporting Period: 2026 (Projected Annual)
Location: Malaysia
System: 204 kW Solar PV + 0 kWh Battery Storage (residential)
Framework References: GRI 302/305, CDP C6/C7, TCFD Metrics & Targets

SCOPE 2 EMISSIONS REDUCTION
  Grid emission factor: 0.585 kg CO₂e/kWh (IEA 2025)
  Annual renewable generation: 342,516 kWh
  Annual CO₂ avoided: 222.6 tonnes CO₂e
  20-year cumulative avoidance: 4453 tonnes CO₂e

ENERGY MIX
  Renewable fraction: 73%
  Grid dependency: 27%
  On-site storage capacity: 0 kWh

FINANCIAL IMPACT
  Annual energy cost reduction: RM178,471
  20-year projected savings: RM3,569,430

Generated by battery.mom · 01/03/2026
Which battery pays for itself fastest — and lasts longest?
Bottom-right = best value (fast payback + long warranty). Bubble size = cost per kWh-cycle.
Interactive
Expensive & short-lived
Long warranty but slow payback
Fast payback but fewer cycles
★ Best value — fast payback + long warranty

Tenant ROI Pitch Card

Show condo buyers exactly what the green premium gets them.

🏠 Green Home Investment

Your unit costs RM8.7K more

but saves RM186/month (74% of your electricity bill)

3.9
Years to pay back
RM35.9K
20-year net gain
0h
Blackout protection
2.8t
CO₂ saved/year
Powered by battery.mom · Based on RM tariffs and solar yield
*New-build pricing includes 15–25 % bulk discount. Buyers save full electricity bill from day one — savings often exceed added cost within 7 years. Retrofit assumes cost split among participating units. Data updated monthly.*