PowerCircle

Share power with your neighbors when the grid stays dark

Score: 8.0/10BJHard BuildReady to Spawn
Brand Colors

The Opportunity

Problem

Western Cape residents remain without electricity for weeks after severe weather damaged power infrastructure, with 16% of communities still in the dark

Solution

PowerCircle lets Western Cape communities form private 'circles' to coordinate generator time slots, battery charging stations, excess solar sharing, and mutual aid during extended outages. Families and small businesses can offer or request resources safely within their verified neighborhood network.

Target Audience

Western Cape homeowners, families, and small businesses in the 16% of communities with unrestored power

Differentiator

Neighborhood-verified peer-to-peer power sharing with reputation scoring and scheduled slots — turns individual backups into a resilient local micro-grid.

Brand Voice

friendly

Features

Neighborhood Circle Creation

must-have40h

Invite-only groups tied to geographic wards with admin verification

Resource Marketplace

must-have45h

List generators, chargers, solar excess with available time slots

Booking & Scheduling

must-have35h

Calendar system for reserving generator hours or charging spots

Safety Check-in System

must-have25h

Daily automated wellness pings for circle members

Reputation System

must-have30h

Review neighbors after transactions to build trust

Live Availability Map

must-have38h

See what power resources are currently offered in your circle

Battery Swap Coordination

nice-to-have50h

Match people with compatible battery systems for physical swaps

Group Chat Integration

nice-to-have22h

In-app chat tied to each circle

Usage Analytics

nice-to-have28h

Show circle how much power was shared vs traditional fuel cost

Total Build Time: 313 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
phonetextNo
addresstextNo
wardtextNo
reputation_scoreintNo
created_attimestampNo

Relationships:

  • belongs to many circles via memberships

circles

ColumnTypeNullable
iduuidNo
nametextNo
wardtextNo
admin_iduuidNo
invite_codetextNo

Relationships:

  • has many memberships
  • has many resource_listings

resource_listings

ColumnTypeNullable
iduuidNo
circle_iduuidNo
user_iduuidNo
resource_typetextNo
capacity_kwintYes
available_fromtimestampNo
available_totimestampNo
price_per_hourintYes

Relationships:

  • belongs to circles
  • belongs to users

bookings

ColumnTypeNullable
iduuidNo
listing_iduuidNo
requester_iduuidNo
statustextNo
start_timetimestampNo

Relationships:

  • belongs to resource_listings

API Endpoints

POST
/api/circles/join

Join a circle with invite code

🔒 Auth Required
GET
/api/resources

Get available resources in user's circles

🔒 Auth Required
POST
/api/book

Create booking for a resource slot

🔒 Auth Required
POST
/api/checkins

Submit wellness check-in for circle

🔒 Auth Required

Tech Stack

Frontend
Flutter
Backend
Supabase Edge Functions
Database
Supabase Postgres
Auth
Supabase Auth with phone
Payments
Flutterwave
Hosting
Supabase + App Store + Play Store
Additional Tools
MapboxOneSignalPusher for realtime

Build Timeline

Week 1: Auth and circle system

55h
  • Phone auth
  • Circle CRUD with geofencing
  • Basic UI

Week 2: Resource listing engine

60h
  • Listings with availability calendar
  • Map view

Week 3: Booking and transactions

65h
  • Booking flow
  • Flutterwave integration
  • Reputation system

Week 4: Check-ins and notifications

45h
  • Safety check-in system
  • Push notifications

Week 5: Polish and beta

50h
  • Testing in 2 real neighborhoods
  • App store assets

Week 6: Analytics and launch

45h
  • Usage dashboard
  • Launch in Hermanus pilot
Total Timeline: 6 weeks • 320 hours

Pricing Tiers

Free

$0/mo

3 resources per month

  • 1 circle
  • Basic listings
  • Check-ins

Neighbor

$25/mo

None

  • Unlimited circles
  • Priority listing placement
  • Analytics
  • Booking protection

Business

$59/mo

For businesses only

  • All Neighbor features
  • Commercial generator listings
  • Multiple locations
  • Dedicated support

Revenue Projections

MonthUsersConversionMRRARR
Month 13209%$720$8,640
Month 62,45014%$8,575$102,900

Unit Economics

$22
CAC
$380
LTV
6%
Churn
78%
Margin
LTV:CAC Ratio: 17.3xExcellent!

Landing Page Copy

When the Lights Go Out, Your Neighbors Still Have Power

Form trusted circles. Share generators, chargers and solar. Survive outages together.

Feature Highlights

Verified neighbor power sharing
Scheduled generator slots
Safety check-ins
Real neighborhood microgrids

Social Proof (Placeholders)

"'We ran our fridge and laptops for 3 weeks by rotating generator use' — Michael, Constantia"
"'The reputation system gives me peace of mind' — Fatima, Paarl"

First Three Customers

Seed three pilot circles in Grabouw, Betty's Bay and Kleinmond (heavily affected post-storms). Offer free Neighbor tier for 90 days to the first 40 members per circle. Use existing community leaders as circle admins to drive adoption organically.

Launch Channels

Local WhatsApp groupsr/southafricaCommunity newspapers in OverbergFacebook Western Cape Prepper groupsProductHunt

SEO Keywords

western cape neighborhood generator sharingcommunity power pooling south africaneighbor battery swap western capelocal solar sharing during outages

Competitive Analysis

Transaction fees
Strength

General marketplace

Weakness

No neighborhood trust layer or scheduling

Our Advantage

Hyperlocal circles with reputation and scheduling

🏰 Moat Strategy

Network effects — the more households in a ward join circles, the more valuable the resource pool becomes

⏰ Why Now?

Prolonged outages have eroded trust in centralized infrastructure. Mobile money and smartphone penetration in Western Cape now make P2P power sharing practical.

Risks & Mitigation

legalhigh severity

Liability for faulty equipment or safety incidents

Mitigation

Require users to confirm equipment is certified and provide strong disclaimers

marketmedium severity

Low willingness to share expensive assets

Mitigation

Start with charging stations and small solar before full generators

Validation Roadmap

pre-build14 days

Run 4 community workshops in affected areas

Success: At least 65% of attendees willing to share resources with neighbors

mvp30 days

Pilot with 3 seeded circles

Success: Minimum 25 active bookings in first month

Pivot Options

  • Expand to water sharing during droughts
  • B2B version for office parks
  • Integrate with solar installers for new installations

Quick Stats

Build Time
320h
Target MRR (6 mo)
$8,500
Market Size
$4.8M
Features
9
Database Tables
4
API Endpoints
4