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Analysis: you can expect a simple system of six to eight solar panels to generate about one third of your home’s electricity needs

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The proverb “Give a man a fish and you feed him for a day; teach him to fish and you feed him for life” has an unlikely resonance in the current fossil fuel crisis, especially when it comes to measures than are needed to help homeowners deal with soaring electricity costs. While giving someone a rebate or discount on their energy bill will help them once, giving them the power to generate their own electricity will endure for their lifetime. This is where an unlikely electricity source for Ireland, in the form of sunshine, could be a lifeline to many families struggling to pay energy bills.

Ireland is known more for wind and waves rather than sunshine, but advances in solar technology and reductions in cost now make it an attractive option for residential electricity generation in Ireland. Solar panels that produce electricity are known as solar photovoltaic (PV) modules. These panels generate electricity when exposed to light and it has been one of the fastest growing power generation technologies worldwide.

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From RTÉ News, a new study has found that solar panels could provide 25% of Ireland’s electricity needs

The systems produce electricity that can be used to power your home appliances and heat water via your immersion. The homeowner won’t notice any difference in how appliances work and there is no need to notify or change your electricity supplier.

Naturally, solar systems need sunlight to work but most will still function on overcast days in Ireland although not at their full capacity. You can expect a simple system of six to eight panels on your roof to generate about one third of your annual electricity needs, with most of this between the months of May and September. This means you will still be relying on your electricity supplier, especially in winter and darker months, but you will be buying less electricity from them overall.

Solar PV systems are sized in technical units called kilowatts (kW) and a simple 2.4kW system would have about six to eight panels. Most small systems of this size do not need planning permission, but you should check with your local authority as rules differ from location to location.

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From RTÉ Radio 1’s Morning Ireland, Dr Paul Deane on how over one million Irish homes have roofs suitable for solar panels

While the fuel in the form of sunlight is free, the installation of the panels isn’t and will cost about €4,000 for a simple system with six to eight panels [2.4kW]. There is a Government grant available to help reduce costs, bringing the overall price down to about €3,000. These are ballpark costs and will vary from supplier to supplier. If you are interested in getting solar panels, it is very important to shop around for several quotes and use a reputable certified installer.

A typical home with six to eight solar panels on the roof could save about €400 per year in electricity bills, with the system paying back for itself in seven to 10 years. The deployment of residential solar PV in Ireland addresses key energy and climate issues such as affordability but also helps Ireland at a national level in terms of Increasing security of supply and reducing the pollution from greenhouse gas emissions.

In UCC, we carried out a study, funded by the Irish Solar Energy Association, to understand how many homes can use sunlight to generate electricity. We were surprised to find that about half the homes in Ireland have potential for this technology and, if all this was achieved, we could produce enough electricity to meet a quarter of all residential electricity demand.

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From RTÉ Radio 1’s Today With Claire Byrne, would solar panels work for your home?

But there are very real challenges in rolling out this technology at scale at a national level. For a start, there is a shortage of skilled workers to do the work. Furthermore, while the economic and environmental arguments for the technology are very compelling, it still requires a significant upfront investment by the homeowner.

In this regard SEAI have a range of grants available to homeowners to reduce costs, but many families will still find the investment prohibitive. This is where Government policy needs to intervene and provide 100% grants to fund solar panels for homes in receipt of fuel allowance as low-income families need the highest level of financial protection during this crisis.

To get the best out of your panels, you will also have to change some behaviours about when you use appliances such as dishwashers and washing machines. If you have a solar system, it is best run these appliances when the sun is shining

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From RTÉ Brainstorm, all you need to know about putting solar panels on your roof

While some homeowners will look to put in a battery system to store any excess electricity, this adds to the costs. However, if you have a hot water or immersion tank, you can set up your solar system to divert surplus electricity to heat your water. In essence this acts like a battery and stores the electricity as hot water, which can be used to offset the use of the immersion for hot showers etc.

Any remaining electricity can be exported to the grid and homeowners can now get paid a small fee for this. But with current high electricity prices, it is best to use as much of your solar generated electricity in your own home as possible.

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The views expressed here are those of the author and do not represent or reflect the views of RTÉ

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For more than a decade, Americans have been steadily drinking less milk each year.

But the latest federal data show sales of milk beverages turned around in 2024, increasing by 358 million pounds or just under 1 percentage point from the previous year to 43.2 billion pounds.

It’s the result of a resurgence in sales of whole milk, which have been trending upward since 2014. The category saw a 3% increase from 2023 and helped offset the continued declines in most other categories, including reduced-fat and skim milk.

Whole milk has benefited from the diet craze around protein driven largely by health and fitness influencers, said Leonard Polzin, dairy markets and policy outreach specialist for the University of Wisconsin-Madison’s Division of Extension.

“The more protein, the better. Consumers are all about that,” Polzin said. “The other portion is kind of a shift towards healthy fats too. So for example, cottage cheese is having a real moment right now.”

Industry data shows whole milk consumption is up in both households with children and those without, according to Karen Gefvert, chief policy officer for Edge Dairy Farmer Cooperative, which represents farmers in Wisconsin and Minnesota.

Gefvert said whole milk has also benefited from increasing consumer interest in whole foods and foods that are minimally processed – a trend that has been promoted by the Trump administration’s Make America Healthy Again agenda.

“There are a ton of really great things in whole milk, and I think that’s resonating with consumers,” Gefvert said.

Federal data going back to 1975 show total U.S. milk sales peaked in 2009 at more than 55.4 billion pounds. That total steadily declined to a record low of 42.8 billion pounds in 2023.

Consumption of plant-based milk alternatives has declined in recent years. But Polzin said it’s hard to know if those consumers are making the shift to dairy or simply cutting back on drinking milk of any kind.

Polzin said increasing milk consumption is especially good for dairy farmers. That’s because milk sold as beverages, known in the industry as fluid milk, has a greater impact on the prices paid to farmers.

But Gefvert said this effect is not as prominent in states like Wisconsin, where most milk is processed into cheese and other products. She said most farmers in the state have a more subdued take on last year’s sales increase.

“It was not significant and is likely just sort of a pause in the inevitable continuous decline in fluid milk sales,” Gefvert said.

She said there is hope that whole milk sales in particular will continue to increase. Congress recently passed federal legislation to reintroduce the option to the National School Lunch Program, which currently requires schools to offer low-fat or skim milk to students. The Whole Milk for Health Kids Act is expected to be signed by President Trump.

Medical experts are divided on whether full fat dairy options, which contain high levels of saturated fat, negatively affect human health.

Earlier this year, a scientific panel that advises the federal government on dietary guidelines concluded there wasn’t enough evidence to change the existing guidance, which recommends Americans drink low-fat or skim rather than whole milk.

This story was produced in partnership with Harvest Public Media, a collaboration of public media newsrooms in the Midwest and Great Plains. It reports on food systems, agriculture and rural issues.

Fort Providence, N.W.T., is now home to a portable shelter and mobile hotspot that could provide coverage to traditional land use areas around the community — but it’s not in use just yet.

The unit was built through a partnership between Deh Gáh Got’îê First Nation and N.W.T.-based telecommunications company SSi Canada, and received a $480,000 grant from the federal government’s Universal Broadband Fund.

The unit is a 10-by-20-foot shipping container, and is powered by a small solar array and backup generator. Half of it contains equipment for mobile coverage and wifi provided by Starlink. The other half is a heated safety shelter that people can sit in. 

SSi Canada calls the structure the Land-Life-Link, or L3.

“If you’re trying to get away from the elements, if you’re trying to get away from an emergency, you can stay there for quite a while,” said Dean Proctor, SSi Canada’s chief development officer.

Proctor told CBC News the unit has been in Fort Providence and fully functional since June. He added it should provide cell service and mobile data over an approximately five-kilometre radius, with some variation depending on the terrain.

“Primarily it’s for people stranded out on the land, so they have communication access if they need to call for help or things like that,” said Greg Nyuli, the executive director at Deh Gáh Got’îê First Nation.

Nyuli said Deh Gáh Got’îê First Nation plans to bring the shelter to a healing lodge downstream of Fort Providence on the Mackenzie River, to provide some connectivity in an area that’s popular for hunting, fishing and harvesting.

But because of low water levels on the river, they likely won’t be able to bring it there on the ice road this winter as planned.

“The access route we usually use in the winter is like totally rocky, because there’s no water,” he explained.

Nyuli said they are now planning to bring the unit downstream on a small barge this summer — though if water levels are low again in the main channel of the Mackenize River, this might not be possible either.

“The only option other than that would be a big helicopter, and we certainly can’t afford that,” he said.

Deh Gáh Got’îê First Nation Chief Michael Vandell said the unit is currently up and running behind the Fort Providence’s Snowshoe Inn.

He said the First Nation is planning to move the unit to outside the local school in the centre of town so students and others can access the wifi it provides more easily. Vandell said the goal is to do this early in the new year.