CONFIDENTIAL - FOR DBSA ASSESSMENT PURPOSES ONLY
Technical Specifications

Technology Overview

Detailed specifications of the Nano-Grid system components for Dr. Beyers Naudé Local Municipality

Solar PV System

3 kWp per household unit

Panel TypeMonocrystalline PERC
Rated Capacity3 kWp per household
Panel Efficiency>21%
Warranty25 years performance
Daily Generation12.5 kWh average
Annual Generation4,562 kWh
Degradation Rate<0.5% per year
Operating Temperature-40°C to +85°C

Battery Storage

10 kWh per household unit

Battery TypeLithium Iron Phosphate (LFP)
Nominal Capacity10 kWh
Usable Capacity9 kWh (90% DoD)
Round-trip Efficiency>95%
Cycle Life>6,000 cycles
Warranty10 years
Operating Temperature0°C to 45°C
Safety CertificationIEC 62619, UN38.3

Smart Grid Features

Smart Energy Management

AI-powered system optimizes energy flow between solar, battery, and grid based on consumption patterns and tariff structures

Remote Monitoring

Real-time monitoring platform provides visibility into system performance, energy flows, and maintenance alerts

TOU Arbitrage

Intelligent load shifting to maximize savings by using stored solar energy during peak Eskom tariff periods

Backup Power

Seamless transition to battery backup during load shedding or grid outages, ensuring uninterrupted power supply

System Architecture

Generation

3kWp Solar PV panels generate clean energy during daylight hours

Storage

10kWh LFP battery stores excess energy for evening use and backup

Management

Smart inverter optimizes energy flow and grid interaction

Total Deployment Summary

12,644
Solar PV Units
12,644
Battery Units
37.9 MWp
Total PV Capacity
126.4 MWh
Total Storage