Short answer: solar garden lights are usually best where easy installation, no trenching and flexible placement matter most; wired garden lights are usually better where dependable output, all-night operation or precise control is the priority. Many properties benefit from using both.
Solar vs wired garden lighting at a glance
| Factor | Solar lighting | Wired lighting |
|---|---|---|
| Installation | Usually simpler; no mains cable route to each fitting | Requires suitable electrical installation and cable routing |
| Running energy | Uses stored solar energy | Uses grid / inverter-supplied electricity |
| Performance in shade | Can be reduced significantly | Not dependent on local solar exposure |
| All-night reliability | Depends on battery, charge and operating mode | Potentially highly consistent when supply is available |
| Brightness range | From decorative to powerful solar floodlights | Very wide range |
| Maintenance | Battery/panel cleanliness and ageing matter | Electrical connections and fittings require maintenance |
| Security-critical use | Select carefully; ensure autonomy and sensor behaviour are suitable | Often preferred when predictable operation is essential |
When solar garden lights make sense
Solar products are attractive where the lighting point is far from the house, trenching would damage an established garden, or the customer wants a fast improvement without extending a mains circuit.
Current Whitehouse products include Radiant Solar Mini Crackle Garden Light, Luxn 25W Solar Floodlight, O-Lite Solar 10W LED Wall Lamp With Sensor and WHL&E 5M Solar Outdoor String Lights.
For the solar side of the comparison, remember that output depends on the energy available to the panel. Shade, season, panel angle and battery condition all affect the energy available after sunset. The U.S. Department of Energy's solar guidance explains the same basic principle for photovoltaic systems: site solar resource, shading and system design influence useful generation. See the DOE homeowner solar guide.
When wired lighting is the stronger choice
If a route must be illuminated every night regardless of several overcast days, if the area is shaded by buildings or trees, or if the lighting is central to a security or work function, a wired solution may be more predictable.
Examples include Brightstar L366 Matt Black Outdoor Wall Light, Brightstar GS017 Black Outdoor Bollard Light and mains-powered floodlights such as LED Basic 20W Outdoor Floodlight.
The biggest solar-light mistake: ignoring the panel
A solar light is an energy system, not just a lamp. Its panel must receive sufficient useful sunlight, its battery must store enough energy, and its control mode must match the hours of operation required.
Before installation, ask:
- Will the panel receive direct sun or remain under a tree or roof?
- Does the product use a separate panel that can be positioned away from the fitting?
- How many hours of operation are required?
- Does the light dim, switch by motion or remain on continuously?
- How will shorter winter days affect charging?
Whitehouse Solar vs Wired Decision Scorecard
| Question | If YES | Lean toward |
|---|---|---|
| Is trenching difficult or expensive? | You want minimal cable work | Solar |
| Is the installation point heavily shaded? | Solar charging may be unreliable | Wired |
| Must the light operate predictably all night? | Reliability is critical | Wired or carefully engineered solar |
| Is the light decorative rather than security-critical? | Occasional variation is acceptable | Solar |
| Is mains power already available nearby? | Electrical extension is straightforward | Wired |
| Do you need motion control without adding a mains feed? | Integrated sensor solar products are useful | Solar |
| Do you want one integrated property-lighting control strategy? | Central switching/timers may be valuable | Wired |
What about solar floodlights?
Solar floodlights occupy a different category from small decorative garden lights. Whitehouse currently stocks several solar floodlight options, including Luxn 100W Solar Floodlight, Radiant 13W Solar Floodlight and Radiant 20W Solar Floodlight.
Do not compare products only by the large wattage number printed in the marketing name. Where verified, compare actual lumen output, battery/panel specification, operating modes, IP rating and manufacturer data.
Which is cheaper?
Solar avoids electricity consumption at the point of use and can avoid trenching or cable installation. Wired lighting may have a lower fitting cost and a longer-lived power infrastructure. The cheaper lifetime option depends on installation cost, quality, battery replacement, required brightness and how many hours the lights operate.
Frequently asked questions
Do solar garden lights work on cloudy days?
They can still charge under lower light levels, but available energy is reduced. Actual runtime depends on the panel, battery, controller, weather and operating mode.
Can I use solar lights for security?
Yes, if the product provides the brightness, detection, autonomy and reliability required for that location. For critical areas, assess several days of poor solar conditions rather than judging from one sunny day.
Can I mix solar and wired lights?
Yes. A practical design may use wired light at entrances and task areas, with solar products on remote paths, decorative beds or supplementary security points.
Related guides
Read Garden Lighting Design Guide and Outdoor Security Lighting Guide for placement and control advice.
Need it before the next hot spell?
Whitehouse Lighting & Electrical dispatches from Trichardt, Secunda and delivers throughout South Africa. Eligible paid, in-stock weekday orders placed before 15:00 are ordinarily dispatched the same working day. Typical delivery is approximately 1–3 working days to main centres and 2–6 working days to regional or outlying areas.
Qualifying standard-size orders of R1,500 or more receive free standard delivery. Oversized, heavy, battery, solar-panel and special-freight products may require a separate delivery arrangement. See the current shipping policy for full terms.