A CCTV system that goes dark when UMEME trips is not a security system — it is a recording device that works only when you need it least. For the majority of sites outside Kampala, and many within it, grid power reliability is simply not sufficient to support a security system that depends on it entirely.

Solar-powered CCTV solves this. And in 2026, the technology has matured to the point where a well-designed solar CCTV system is reliable, cost-competitive with grid-powered alternatives over a 3–5 year horizon, and genuinely capable of continuous 24/7 operation across Uganda's climate conditions.

This guide explains how to design a solar CCTV system for Ugandan conditions — including what most installers get wrong.

Where Solar CCTV Makes Sense in Uganda

Solar CCTV is the right choice for any of the following:

Upcountry farms, plantations, and agri-processing sites
Construction sites and project compounds
Remote fuel depots and logistics yards
Schools and institutions outside main urban areas
Telecom tower compounds and infrastructure sites
Residential estates with unreliable grid supply
Any urban site that has experienced CCTV downtime due to load shedding

For urban Kampala sites with reliable UMEME supply, solar remains valuable as backup rather than primary power — keeping cameras running during outages rather than replacing the grid entirely.

How Solar CCTV Systems Work

A solar CCTV system has four components that must be sized and matched correctly:

1) Solar Panels

Panels capture energy during daylight hours. Uganda's equatorial position gives excellent solar resource year-round — typically 5–6 peak sun hours per day. Panel sizing must account for the total power consumption of cameras, NVR, networking equipment, and any other loads on the system.

2) Battery Bank

Batteries store daytime solar energy for use at night and during cloudy periods. This is the most critical and most frequently under-sized component. A properly designed battery bank should provide at least 2–3 days of system runtime without solar input — accounting for cloudy days and the higher security risk of operating without backup.

3) Charge Controller

The charge controller regulates energy flow between panels, batteries, and loads. A PWM controller is adequate for small systems. An MPPT controller is recommended for larger systems — it extracts significantly more energy from the panels, particularly in variable cloud conditions.

4) Cameras and NVR

Camera and NVR selection for solar systems prioritises power efficiency without sacrificing image quality. IP cameras with H.265 compression significantly reduce storage and power requirements compared to older H.264 systems. NVR units should be selected for low idle power draw.

What Most Solar CCTV Installations in Uganda Get Wrong

The majority of solar CCTV failures in Uganda come from three consistent mistakes:

Under-sized battery banks

Installers often size batteries for one night of operation. In Uganda's rainy season, when cloud cover can persist for 2–3 days, this means the system fails exactly when conditions most favour criminal activity. Size for a minimum of 48 hours of runtime without solar input — 72 hours for critical sites.

Poor panel placement

Panels placed under trees, beside buildings that cast afternoon shadow, or at incorrect tilt angles for Uganda's latitude produce significantly less power than the design assumed. A panel producing 60% of rated output because of shading is a system that will fail at night.

Using standard indoor cameras outdoors

Solar CCTV systems are almost always at outdoor or semi-outdoor locations. Cameras must be rated IP66 or higher for weatherproofing. Using standard cameras without outdoor protection ratings leads to moisture ingress, lens fogging, and early failure.

4G Connectivity for Remote Solar CCTV Sites

Remote solar CCTV systems need connectivity for remote monitoring, live view, and alert notifications. 4G routers powered from the same solar system are the standard solution. Key considerations:

Check network coverage at the site before specifying 4G — Airtel and MTN coverage maps are available online but ground-truth testing is more reliable
Size the solar system to include the 4G router's power draw
Configure the NVR for local recording as the primary storage, with 4G connectivity for remote access rather than primary recording — this reduces bandwidth requirements and keeps the system operational if connectivity is lost

Night Vision for Off-Grid Sites

Off-grid sites typically have no ambient lighting at night. Camera night vision performance is therefore more critical than on urban sites with streetlighting.

For solar CCTV on remote sites, specify:

Cameras with built-in IR illumination rated for at least 30 metres in complete darkness
For sites requiring colour night vision — such as entry points where face or vehicle identification matters — specify cameras with white light capability, powered from the solar system
Avoid cameras that require external lighting to function — the solar power budget for external lights adds significant system cost

Integrating Solar CCTV with Alarm Systems

For higher-security remote sites, solar CCTV can be combined with solar-powered alarm systems and motion-triggered notifications. When a motion sensor triggers at a remote site, the system sends a push notification with a live view link — allowing the site owner or security team to verify the alert remotely before deciding on a response.

Build Your Off-Grid Security Knowledge Cluster

Proxima Solutions

Proxima Solutions designs and installs solar-powered CCTV systems for off-grid and upcountry sites across Uganda — with correctly sized battery banks, outdoor-rated cameras, 4G remote monitoring, and motion-triggered alert integration.

We help sites that cannot rely on UMEME maintain continuous 24/7 CCTV coverage regardless of grid conditions.

Contact Proxima Solutions for a solar CCTV site assessment and system design proposal.

Solar-Powered CCTV for Off-Grid and Upcountry Sites in Uganda (2026)