Staying Green with Solar Lights After the Glow is Gone

Stay Green When Replacing Solar Lights or Parts

Nothing lasts forever, not even the best quality solar lights.

And long before the lights themselves have passed their brightest days, odds are that you’ll have changed batteries a couple of times and on some fixtures, even the light bulbs.

You’ve been good to the environment (and your pocketbook) by choosing solar. The question: how to stay green when disposing of solar lights and their components?

Dispose of Rechargeable Batteries Properly

All solar lights use rechargeable batteries of one form or another. Nickel Cadmium (NiCad), Nickel Metal Hydride (NiMH), and Lithium Ion (Li-Ion) are the most common, although some solar lights use rechargeable lead batteries.

While some chemicals are more dangerous than others, all batteries must be disposed of as hazardous materials. (It’s not only the responsible thing to do, in many areas it’s also the law.)

All Batteries and Many Lightbulbs are Household Hazardous Waste

All Batteries and Many Light Bulbs are Household Hazardous Waste

Treat batteries the same as you should treat household chemicals such as paint thinners, paint, unused pesticides/herbicides, and even medications.

This means they should not be put into your regular trash. Instead, store them up for your municipality’s annual or semi-annual hazardous material pick-up of drop-off days.

This is when all hazardous materials are put into a separate, marked container for special handling by collectors, or that you bring them to the local dump yourself.

A growing trend among many landfills is to have onsite facilities capable properly handling hazardous materials up and running on a regular basis.

Proper Disposal of Light Bulbs

If a solar fixture uses LED lights, odds are that by the time the LED wears out, replacing the entire fixture is the most cost-effective solution. There are exceptions, such as solar street lights and some heavy duty solar floodlights.

Unfortunately, LEDs contain lead and mercury and must be disposed of as hazardous waste. Compact fluorescent light (CFL) bulbs contain mercury, and some halogen bulbs contain tungsten.

Please dispose of all solar light bulbs as household hazardous waste. Using them is good for the environment (and your wallet), so make sure you continue the practice after they wear out!

The good news:  LEDs, CFLs and halogen bulbs all use FAR less energy that incandescent bulbs and all last much longer.

For example, the average lifespan of an LED bulb is 50,000 hours. So the very small amount of hazardous materials in energy-efficient light bulbs mean they create far less waste and are much safer for the environment than traditional incandescent bulbs.

Disposing the Solar Light Itself

I’ve read in some online blogs that the overall waste factor of solar lights outweighs the positive impacts on the environment. Maybe that was true 10 years ago, but today? Malarkey!

Waste Handlers Increasingly Dispose of Electronics in More Earth-Friendly Ways

Often, you can just remove the batteries and bulbs before placing worn-out solar lights into your regular trash. But, there are better ways to dispose of them.

Over the past decade, landfills have seen an ever-increasing amount of discarded PC and laptop computers, cell and smart phones, video games, GPS navigation systems, and small household appliances. Some contain hazardous materials other than the batteries. (Most computers, cell phones and portable electrics use Lithium Ion batteries.)

Many waste disposal facilities are expanding ways to responsibly handle discarded electronics.

More and more, dumps and landfills have areas dedicated for electronics and appliances, since so many of the components can be recycled and since rapidly evolving technology means that items are replaced far more often than in the past.

Often, you will have to bring these items to the disposal facility yourself or hire somebody to do so.

Yes, you may be able to get away with wrapping them in newspaper and putting them in the trash.

Is This A Nuisance? Maybe, But It’s Worth It

Proper Disposal of Household Waste is Critical for a Clean Water Supply

Proper Disposal of Household Waste is Critical for a Clean Water Supply

Maybe you think that properly disposing of hazardous materials or electronics is a nuisance and that a few here and there won’t hurt make a difference.

Just remember that in some form or another, everything put into your trash can eventually ends up in the water supply used for drinking, cooking and bathing.

And, who really wants unnecessary and dangerous chemicals on or in their bodies?

 Copyright 2013,,

2 thoughts on “Staying Green with Solar Lights After the Glow is Gone

  1. Pingback: Lights Out for Incandescent Bulbs |

  2. Pingback: Be Careful with Pond and Fountain Water Treatments |

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