The energy backbone
Audits, metering, vending, distribution, cabling, LV panels and gensets, engineered and installed to spec.
- Energy audits
- Smart metering
- Distribution
- Underground cabling
From the cable in the ground to the app in every resident's hand, Delta4 builds the energy backbone and Venshack, the platform that runs modern estates end to end.
Trusted across 100+ estates in Nigeria
Most vendors hand you a meter and walk away. Delta4 owns the whole stack: the physical energy infrastructure and the platform that runs it.
Audits, metering, vending, distribution, cabling, LV panels and gensets, engineered and installed to spec.
Estate management, access control, bills & payments, metering and a developer platform, all in one proptech product.
From the first load study to the last buried cable, a full-stack energy capability delivered by one accountable team.
Load studies and loss analysis that turn guesswork into a plan.
Single and three-phase meters, STS-compliant, provisioned at scale.
Instant token generation, wallets and automatic reconciliation.
Design and build of estate-scale distribution networks.
Clean, safe, buried networks engineered to spec.
Custom low-voltage panels, protection and controls.
Sizing, installation and sync of backup generation.
Solar PV and inverter/battery systems for clean, reliable backup power.
Fleet onboarding, keys and lifecycle management.
STS-compliant, DLMS-ready hardware we supply, provision and support, single-phase to three-phase, plus the in-home interface unit.

Compact prepaid meter for homes and apartments.

Four-wire meter for larger units and commercial loads.

In-home keypad and display for tokens and usage.
Bills at different rates by time of day or season, so estates can run peak and off-peak pricing. Available on both single-phase and three-phase units.
Read, disconnect and reconnect over the air, no site visit required. Available on both single-phase and three-phase units.
Metering, money, access and management, unified in a single console and a resident app people actually enjoy using.
Metering, vending and payments exposed as clean APIs. Integrate estate power and proptech into your own product in an afternoon.
const res = await fetch(
"https://api-developers.venshack.io/v1/vending/validate",
{
method: "POST",
headers: {
Authorization: "Bearer vk_test_xxxxxxxxxxxxx",
"Content-Type": "application/json",
},
body: JSON.stringify({ meterNumber: "1234567890123" }),
},
);
const { data } = await res.json();
console.log(data.customerName); package main
import ("bytes"; "net/http")
func main() {
body := bytes.NewBufferString(`{"meterNumber":"1234567890123"}`)
req, _ := http.NewRequest("POST",
"https://api-developers.venshack.io/v1/vending/validate", body)
req.Header.Set("Authorization", "Bearer vk_test_xxxxxxxxxxxxx")
req.Header.Set("Content-Type", "application/json")
http.DefaultClient.Do(req)
} let client = reqwest::Client::new();
let res = client
.post("https://api-developers.venshack.io/v1/vending/validate")
.header("Authorization", "Bearer vk_test_xxxxxxxxxxxxx")
.json(&serde_json::json!({
"meterNumber": "1234567890123"
}))
.send()
.await?;
println!("{}", res.text().await?); require "net/http"
require "json"
uri = URI("https://api-developers.venshack.io/v1/vending/validate")
req = Net::HTTP::Post.new(uri)
req["Authorization"] = "Bearer vk_test_xxxxxxxxxxxxx"
req["Content-Type"] = "application/json"
req.body = { meterNumber: "1234567890123" }.to_json
Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
puts http.request(req).body
end import requests
res = requests.post(
"https://api-developers.venshack.io/v1/vending/validate",
headers={
"Authorization": "Bearer vk_test_xxxxxxxxxxxxx",
},
json={"meterNumber": "1234567890123"},
)
data = res.json()["data"]
print(data["customerName"]) A single accountable path with no hand-offs between the people who build the infrastructure and the people who run the software.
We study the load, map losses and engineer the network.
We lay infrastructure and provision smart meters at scale.
Residents buy power and pay levies through Venshack.
Live dashboards turn consumption into decisions.
Real estate results and practical notes from the Delta4 team are coming. Want your estate to be one of the stories?
Book a demo and we'll walk you through metering, vending and the full Venshack platform, tailored to your estate.