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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.

Ireland now boasts 8 GW of installed onshore renewable electricity generation capacity, which represents a 'major milestone' in the country's clean energy transition, the government has said.
  • News
  • Renewables

Ireland hits renewable electricity generation capacity milestone

5 months ago5 months ago4 mins

Ireland now boasts 8 GW of installed onshore renewable electricity generation capacity, which represents a ‘major milestone’ in the country’s…

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Germany reported a 17.4% increase in solar energy generation in 2025, to 70.1 billion kWh, a new record high, new data from the Federal Statistical Office (Destatis) has found.
  • News
  • Renewables

Germany reported record solar electricity production last year

5 months ago5 months ago3 mins

Germany reported a 17.4% increase in solar energy generation in 2025, to 70.1 billion kWh, a new record high, new…

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Despite the Trump administration's pushback against clean energy, more than two thirds of the solar installations in the United States last year were in states won by the president in the 2024 election, a new report by the Solar Energy Industries Association (SEIA) has found.
  • News
  • Renewables

Over two thirds of US solar installations last year were in states won by Trump in 2024

5 months ago5 months ago4 mins

Despite the Trump administration’s pushback against clean energy, more than two thirds of the solar installations in the United States…

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While much of the energy discussion about Russia revolves around its oil and natural gas sectors, the country is quietly expanding its renewable capacity, a new report by GlobalData has found.
  • News
  • Renewables

Russia is quietly turning into a renewable energy powerhouse

5 months ago5 months ago4 mins

While much of the energy discussion about Russia revolves around its oil and natural gas sectors, the country is quietly…

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Rooftop photovoltaic systems can help make solar power's land use more efficient, a new study by McGill University has found.
  • Renewables
  • Research

Rooftop photovoltaics can help alleviate solar’s land-use issue, study finds

6 months ago6 months ago3 mins

Rooftop photovoltaic systems can help make solar power’s land use more efficient, a new study by McGill University has found….

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Repsol has adjusted its targets for renewable capacity by the end of the decade, despite seeing increased income from its Low Carbon Generation business.
  • News
  • Renewables

Repsol adjusts 2030 renewable targets, sees increase in low carbon generation income

6 months ago6 months ago4 mins

Repsol has adjusted its targets for renewable capacity by the end of the decade, despite seeing increased income from its…

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  • News
  • Renewables

GULF secures $1.9bn loan facility to develop renewable energy projects in Thailand

6 months ago6 months ago3 mins

Gulf Development Public Company Ltd (GULF) has secured loan facilities worth THB 60 billion ($1.9 billion) to support the development…

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While India reached a milestone in non-fossil fuel power generation last year, the fact that grid operators were forced to curtail renewable generation to preserve system stability indicates the need for greater energy flexibility, Ember has said.
  • Green Energy
  • News

India’s energy system needs to embrace flexibility, says Ember

6 months ago6 months ago3 mins

While India reached a milestone in non-fossil fuel power generation last year, the fact that grid operators were forced to…

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Renewables and battery storage are set to account for 99.2% of net new electricity generating capacity in the United States in 2026, a new study by the SUN DAY Campaign has suggested.
  • News
  • Renewables

Almost all new electricity generation capacity in the US to come from renewables and battery storage this year

7 months ago6 months ago3 mins

Renewables and battery storage are set to account for 99.2% of net new electricity generating capacity in the United States…

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Renewables supplied close to a third of US electricity in the first four months of this year
  • News
  • Renewables

Wind and solar generated more electricity than fossil fuels in the EU last year

7 months ago7 months ago4 mins

Wind and solar together generated a record 30% of electricity in the European Union in 2025, surpassing electricity derived from…

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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

  • The Consumer Goods Forum’s Sharon Bligh on ‘changing the conversation’ about food wasteAugust 17, 2026
  • Greyparrot’s Ambarish Mitra on unlocking ‘waste intelligence’ from packagingAugust 13, 2026
  • Ambition Into Action – Michelle Norman, Director of Sustainability, Suntory Beverage & Food EuropeAugust 10, 2026
  • Newton’s Wil Schoenmakers on why circularity needs a strong business caseAugust 7, 2026
  • Ambition Into Action – Kirsty Green-Mann, Global Head of Sustainability, HaysAugust 5, 2026

Banner for the Oil and Gas Decarbonisation Congress (Feb 15–16, 2027, Berlin) with a dark background and abstract ribbon artwork.

EXPLAINER

  • Why carbon emissions and biodiversity can’t stay in separate silosJuly 22, 2026
  • Why water must no longer be the forgotten utilityJuly 20, 2026
  • What the 2026 FIFA World Cup can teach us about social legitimacyJuly 14, 2026
  • Geo Green Power revamps its domestic solar offering to provide increased long-term value for customersJuly 9, 2026
  • What role does smart packaging play in reducing healthcare waste?July 9, 2026

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