Climate
Net-zero Wales and the generation game
THIS WEEK’S episode of Panorama explored the significant clean energy projects creating tension across Britain.
“Rewiring Britain: The Race to Go Green” examined the UK’s efforts to create a greener, more sustainable energy infrastructure. It highlighted the challenges and opportunities associated with reducing carbon emissions, increasing renewable energy sources, and modernizing the national grid.
The programme incidentally highlighted an unusual set of data about Wales’s contribution of net-zero energy to the UK’s National Grid.
BBC Reporter Justin Rowlatt visited the headquarters of the National Energy System Operator (NESO). NESO ensures that Great Britain has the necessary energy by matching supply with demand every second of every day.It also monitors the contributions made to the UK energy grid from net-zero sources.
In a cutaway shot establishing that just over half of the UK’s energy came from net-zero sources.
The UK is divided into six distribution network licence areas, as shown in the screenshot accompanying this article.
What draws the eye, at least Welsh eyes, is the amount of net-zero energy provided by the area covering South Wales and South West England.
That amount was zero on the day the BBC attended NESO HQ. Given the number of large green energy infrastructure projects in South Wales, this seems astonishing. It is even more astonishing when one considers the large green energy projects across the South West of England.
An examination of the data underlying the chart shows why that is the case: almost three-quarters of ALL energy generated in South Wales comes from fossil fuels. That means that all of the net-zero energy generated in South Wales is consumed in the region and is not exported as surplus to the UK Grid.
To check our conclusion we asked NESO a series of questions, the answers to which confirmed that South Wales (the figures for North Wales are in the North West area on the screenshot), was not a net exporter of green energy to the grid.
When we checked earlier this week, we confirmed that was still the case.
Those data appear to run a coach and horses through claims that Wales is leading the way in green energy.
As it stands, South Wales isn’t even generating enough net-zero energy to power homes and businesses across South Wales. As planned green energy projects, such as the controversial plan to erect a chain of pylons and windfarms across rural Wales, focus on energy production for homes and businesses outside Wales, the benefits to the South Wales economy of supposedly “green” infrastructure projects appear marginal.
The UK government asserts that building new pylons, solar plants, wind turbines, and electricity substations is essential for achieving its ambitious goal of decarbonizing the country’s electricity by 2030. To expedite these projects and stimulate the economy, the government plans to “streamline” the planning process. However, many protesters contend that this approach risks overlooking their objections.
While some praise the UK government’s reforms, which aim to accelerate energy projects, there has also been significant criticism. Many stakeholders—including environmental groups, local communities, and planning experts—express concerns about the erosion of local democracy and community input. Critics warn that these proposed changes may undermine local decision-making by prioritizing national targets over community interests and feedback.
Despite the necessity of green energy projects for reducing carbon emissions, there are worries that large developments, such as solar farms and wind turbines, could negatively impact local ecosystems and biodiversity if not carefully managed.
Furthermore, the government faces criticism for not adequately addressing how to balance the need for renewable energy with other priorities, including housing development and infrastructure. The use of agricultural land for solar farms or bioenergy crops raises additional concerns about food security and the loss of productive farmland.
Large-scale renewable projects, especially wind turbines, can significantly alter landscapes. This has led to resistance from residents and conservationists who value the rural areas’ visual and cultural heritage. For example, in Lincolnshire, proposed solar farms are set to cover an area larger than Greater Manchester. Critics argue that the government’s focus on large-scale projects overlooks the potential benefits of smaller, community-led initiatives and energy efficiency measures, which could also play a crucial role in decarbonization.
The drive to achieve net zero, or at least energy self-sufficiency and energy security, is admirable in intent. However, marrying ambitions and outputs with the views of those whose homes, land, and lives will be most affected by the infrastructure and structures needed to support them is as far away as ever.
Climate
Pembroke tidal flood defence work to continue to January
SIGNIFICANT issues with a part of Pembroke’s tidal barrage are not expected to be fully fixed before late January, councillors heard.
Pembroke councillors Aaron Carey and Jonathan Grimes submitted an urgent question heard at the December meeting of Pembrokeshire County Council, which said: “In light of the repeated flooding events across the county – including the recent overflow at Castle Pond and the acknowledgement by your own Coastal, Rivers & Drainage Team that the barrage tipping gate remains inoperable until mid-January can you explain what assessment has been made of the adequacy of our tidal outfall infrastructure in the face of current and projected future storm surges and sea-level rise?
“If no such assessment has yet been undertaken, will you commit now to commissioning an immediate structural and risk-capacity audit, with a report to full council within three months, and with proposals for funding any remedial works required — to avoid recurring damage and disruption to residents, highways, and public amenities?”
Responding to the urgent question, Cabinet Member for Residents Services Cllr Rhys Sinnett said a significant assessment of the Pembroke Tidal Barrage had already been undertaken over the past two years, with regular inspections.
He said “a comprehensive package of works” began in September which were due to be completed before Christmas but said there had been “significant issues” with the tipping gate hydraulic ram, with a significant overhaul now taking place, with reinstatement expected by late January.
He told members additional mitigation measures were now in place and, once works are completed, enhanced works will provide improved resilience and “long-term reliability,” with further reports due to come to Cabinet.
Cllr Carey and Cllr Grimes had also submitted a notice of motion saying: “That this council notes with concern the repeated and increasingly severe flooding experienced in our coastal, estuarial and river-fringe communities over recent weeks — in particular the flooding events affecting the Commons/Castle Pond area.
“That the council further notes that, according to correspondence from the Coastal, Rivers & Drainage Team Manager, the tipping gate at the barrage remains out of operation until mid-January due to mechanical issues; meanwhile high tide, heavy rain, wind-driven tidal surges and overspill at the sluice have combined to overwhelm the drainage/outfall infrastructure.
“That we recognise the current maintenance schedule (delayed ‘til after the summer season) and the justification given — but further that such planning failed to foresee the likelihood of severe winter storm and surge events, which climate change makes more frequent and more intense.
“That this council therefore calls on the Cabinet to commission an urgent review of:
- The adequacy of the current drainage/outfall and tidal-sluice infrastructure (barrage tipping gate, sluice/sluice-valve, flap valve, outfall capacity) for current and projected climate/tide conditions.
- The maintenance scheduling policy for coastal and estuarial flood-risk assets, with a view to ensuring critical maintenance is completed before winter high-tide / storm-surge season, rather than — as at present — being delayed until after summer for ‘recreational / biodiversity’ reasons.
“That, pending the outcome of the review, the council should allocate appropriate emergency capital funding to remediate the barrages / sluices / outfalls at risk of failure or blockage — to safeguard residents, properties, highways and public amenities from further flooding.
“That, further, this council resolves to publish a public flood-resilience plan for the county, identifying all coastal and river-fringe ‘hotspots,’ maintenance schedules, responsible teams, and a transparent timeline for upgrades or remedial works — so residents have clarity and confidence in flood prevention measures.”
The notice of motion itself will be considered by the council’s Cabinet at a later date.
Climate
Urgent calls for action on Pembroke Commons flooding
TWO PEMBROKESHIRE councillors have submitted an urgent call for action following recent heavy flooding in parts of Pembroke.
Pembroke councillors Aaron Carey and Jonathan Grimes have submitted an urgent notice of motion ahead of tomorrow’s December 12 meeting of Pembrokeshire County Council following heavy flooding in the town’s Commons and Castle Pond area.
The notice of motion covers six points.
“That this council notes with concern the repeated and increasingly severe flooding experienced in our coastal, estuarial and river-fringe communities over recent weeks — in particular the flooding events affecting the Commons/Castle Pond area.
“That the council further notes that, according to correspondence from the Coastal, Rivers & Drainage Team Manager, the tipping gate at the barrage remains out of operation until mid-January due to mechanical issues; meanwhile high tide, heavy rain, wind-driven tidal surges and overspill at the sluice have combined to overwhelm the drainage/outfall infrastructure.
“That we recognise the current maintenance schedule (delayed till after the summer season) and the justification given — but further that such planning failed to foresee the likelihood of severe winter storm and surge events, which climate change makes more frequent and more intense.
“That this council therefore calls on the Cabinet to commission an urgent review of:
- The adequacy of the current drainage/outfall and tidal-sluice infrastructure (barrage tipping gate, sluice/sluice-valve, flap valve, outfall capacity) for current and projected climate/tide conditions.
- The maintenance scheduling policy for coastal and estuarial flood-risk assets, with a view to ensuring critical maintenance is completed before winter high-tide / storm-surge season, rather than — as at present — being delayed until after summer for ‘recreational / biodiversity’ reasons.
“That, pending the outcome of the review, the council should allocate appropriate emergency capital funding to remediate the barrages / sluices / outfalls at risk of failure or blockage — to safeguard residents, properties, highways and public amenities from further flooding.
“That, further, this council resolves to publish a public flood-resilience plan for the county, identifying all coastal and river-fringe ‘hotspots,’ maintenance schedules, responsible teams, and a transparent timeline for upgrades or remedial works — so residents have clarity and confidence in flood prevention measures.”
The submission also includes a question for Cabinet Member Cllr Rhys Sinnett.
“In light of the repeated flooding events across the county – including the recent overflow at Castle Pond and the acknowledgement by your own Coastal, Rivers & Drainage Team that the barrage tipping gate remains inoperable until mid-January can you explain what assessment has been made of the adequacy of our tidal outfall infrastructure in the face of current and projected future storm surges and sea-level rise?
“If no such assessment has yet been undertaken, will you commit now to commissioning an immediate structural and risk-capacity audit, with a report to full council within three months, and with proposals for funding any remedial works required — to avoid recurring damage and disruption to residents, highways, and public amenities?”
A Pembrokeshire County Council spokesman has confirmed the 11th hour call will be heard by full council tomorrow.
Image: Martin Cavaney
Climate
UK marks 25 years since first offshore wind farm began generating power
Sector now powers millions of homes and supports 40,000 jobs
THE UK today (Dec 8) marks a significant milestone: 25 years since the country’s first offshore wind farm began generating electricity. Blyth Offshore Wind Farm, built off the Northumberland coast in 2000, consisted of just two turbines producing four megawatts of power — enough for three thousand homes — and laid the foundations for what has become one of the UK’s most important energy industries.
In the space of a single generation, offshore wind has grown into the UK’s largest source of clean electricity. In 2024 it provided more than thirty-four per cent of all renewable power and generated a record seventeen per cent of the UK’s electricity overall, totalling 48.5 terawatt hours. The current fleet has a combined capacity equivalent to five large nuclear power stations.
Across UK waters, 2,878 turbines are now in operation — ten floating and 2,868 fixed — with a total generating capacity of 16.1 gigawatts. That is enough to power more than sixteen million homes each year. Industry estimates suggest that, without this development, the UK would have had to burn an additional twenty million tonnes of gas over the past twenty-five years, producing more than sixty million tonnes of CO₂.
The sector’s growth has also reshaped the economy. Nearly two thousand companies now operate within the UK wind supply chain, including one hundred and sixty factories. Their combined activity is forecast to contribute £18.2bn to the UK economy over the next decade. Around forty thousand jobs are currently supported by offshore wind — a figure projected to rise to ninety-four thousand by 2030.
Construction is accelerating. More than 7.5GW of new offshore wind is already being built and is due to become fully operational within the next two years, with a further 22GW consented through to 2033.
‘Britain is once again leading the world in clean power’
Energy Minister Michael Shanks MP said: “Twenty-five years after the first offshore wind turbines began to turn, Britain is once again leading the world in clean homegrown power. Offshore wind is at the heart of our 2030 mission – helping us reduce our dependence on volatile fossil fuel markets, lower bills for good, and support one hundred thousand jobs by 2030.”
RenewableUK’s Deputy Chief Executive Jane Cooper said the sector’s progress had brought “jobs, investment, energy security, and environmental benefits in equal measure,” adding that next month’s clean power auction could secure a record amount of new offshore capacity. “A consistent pipeline of projects is vital to trigger new investment in factories and supply chain companies,” she said.
Julia Rose, Head of Offshore Wind at The Crown Estate, said the UK’s first 25 years demonstrated “the transformative power of collaboration and strategic vision,” noting that 45 operational wind farms are now in UK waters with a 95GW development pipeline. The Crown Estate plans to bring a further 20–30GW of new leasing opportunities to market by 2030.
Ed Daniels, CEO of Venterra Group, highlighted the role of the UK’s supply chain: “Offshore wind’s success has created tens of thousands of skilled jobs, rejuvenated coastal communities and established the UK as a global exporter of expertise. Continued investment is essential to deliver economic growth and energy security over the next twenty-five years.”
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