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A business news platform with a sustainable focus. Featuring the latest sustainability news and ESG insight, viewed through a business lens.

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Solar

Solar energy harnesses the sun’s radiation to generate electricity or heat using technologies such as solar photovoltaic (PV) panels and solar thermal systems. As one of the world’s fastest-growing renewable energy sources, solar power is helping businesses and governments reduce greenhouse gas emissions, improve energy security and accelerate the transition to a low-carbon economy. Falling technology costs, improved efficiency and growing investment have made solar energy a key pillar of global decarbonisation efforts.

SustainabilityOnline brings you the latest developments in solar, including solar power generation, photovoltaic technology, energy storage, clean energy investment, corporate renewable energy strategies and evolving policy and regulation. We explore how organisations are increasing solar capacity, improving energy efficiency, reducing carbon emissions and integrating renewable electricity into their operations. We also examine developments in battery storage, grid infrastructure, sustainable finance, industrial decarbonisation and the role of solar energy in achieving net zero ambitions.

Related topics: solar energy, solar power, solar photovoltaic (PV), solar panels, solar thermal energy, renewable energy, clean energy, battery storage, energy transition, decarbonisation, greenhouse gas emissions, renewable electricity, energy efficiency, climate policy, sustainable infrastructure, net zero, corporate sustainability and ESG reporting.

Spain's solar industry is entering a period of stabilisation after last year's significant capacity growth, according to the Spanish Photovoltaic Union (UNEF).
  • News
  • Renewables

Spain’s solar industry takes stock after strong growth in 2025

2 weeks ago2 weeks ago3 mins

Spain’s solar industry is entering a period of stabilisation after last year’s significant capacity growth, according to the Spanish Photovoltaic…

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Portugal's government has acquired a 13.7% stake in REN — Redes Energéticas Nacionais, the country's grid operator, to safeguard its national energy security.
  • Green Energy
  • News

While renewables are expanding, Portugal can’t turn its back on gas just yet

3 weeks ago3 weeks ago4 mins

Portugal‘s government has acquired a 13.7% stake in REN — Redes Energéticas Nacionais, the country’s grid operator, to safeguard its…

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Some 21% of UK citizens believe that nuclear should be prioritised as a future energy source, just ahead of solar (19%) and offshore wind (18%), a new YouGov study commissioned by Eland Cables has suggested.
  • News
  • Renewables

UK consumers favour nuclear over solar and wind as future energy source, survey suggests

1 month ago1 month ago3 mins

Some 21% of UK citizens believe that nuclear should be prioritised as a future energy source, just ahead of solar…

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Renewable energy sources generated 30.2% of the electricity in the United States in the first half of 2026, up from 27.8% in the corresponding period last year, according to US Energy Information Administration (EIA) data, reviewed by the SUN DAY Campaign.
  • News
  • Renewables

Renewables generated more than 30% of US electricity in the first half of 2026

1 month ago1 month ago3 mins

Renewable energy sources generated 30.2% of the electricity in the United States in the first half of 2026, up from…

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Plug-in solar panels enable UK households to 'take control' of their energy bills
  • News
  • Renewables

Plug-in solar panels enable UK households to ‘take control’ of their energy bills

1 month ago1 month ago3 mins

British energy secretary Miatta Fahnbulleh has said that the rollout of plug-in solar panels in the UK represents a “simple,…

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France is likely to face a significant test of grid resilience in the coming years as renewable energy and energy storage scale up alongside the country's continued reliance on nuclear power, according to new analysis from GlobalData.
  • News
  • Renewables

France faces major ‘grid resilience test’ amid scaling up of renewable capacity

1 month ago1 month ago4 mins

France is likely to face a significant test of grid resilience in the coming years as renewable energy and energy…

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China added 72.1 GW of solar to its renewable energy capacity in the first six months of 2026, a 66% decline on the same period previous year.
  • News
  • Renewables

China adds less solar, wind energy capacity in 2026

1 month ago1 month ago4 mins

China added 72.1 GW of solar to its renewable energy capacity in the first six months of 2026, a 66%…

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Renewable energy developer Gurīn Energy has secured 379MW of electricity business licences (EBLs) for three utility-scale solar projects in Jeonnam-Gwangju, which it says is a 'milestone' in the company's development.
  • News
  • Renewables

South Korea’s Gurīn Energy secures electricity business licences for solar projects

1 month ago1 month ago4 mins

Renewable energy developer Gurīn Energy has secured 379MW of electricity business licences (EBLs) for three utility-scale solar projects in Jeonnam-Gwangju,…

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SMA Solar Technology AG, also known as SMA Group, has reported €65.9 million in EBITDA, before one-time effects, in the first half of its financial year, up from €50.3 million the previous year.
  • News
  • Renewables

Solar energy firm SMA Group sees profits increase in first half

2 months ago1 month ago4 mins

SMA Solar Technology AG, also known as SMA Group, has reported €65.9 million in EBITDA, before one-time effects, in the…

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While developing a solar project has never been cheaper, ensuring long-term financial returns is a more complex challenge
  • Renewables
  • Research

Financial success of solar projects increasingly dependent on storage solutions

2 months ago2 months ago4 mins

While developing a solar project has never been cheaper, ensuring long-term financial returns is a more complex challenge, according to…

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Poster announcing Decarbon 2027: Oil and Gas Decarbonisation Congress, with abstract glassy bubbles at the bottom.

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INTERVIEWS

Ambition Into Action – Holger Robrecht, Senior Advisor for Policy & Advocacy, ICLEI Europe.
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Banner for the Oil and Gas Decarbonisation Congress (Feb 15–16, 2027, Berlin) with a dark background and abstract ribbon artwork.

EXPLAINERS

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