🌱 Alternative Energy: Why Renewables Beat Gas in Denmark & the UK Today

Why Renewables Are Cheaper Than New Gas Plants

Global evidence: In 2023, 81% of new large-scale renewable projects were cheaper than fossil-fuel alternatives .

UK energy costs: The levelised cost of onshore wind (£44/MWh), and large-scale solar (£114/MWh) .

UK forecasts: By 2025, renewables are projected to be ~50% cheaper than gas, considering both unsubsidized wind and solar . Offshore and onshore wind may be 61% less than gas (£44–£46/MWh vs. £114/MWh) .


Denmark & the UK: Leading the Renewable Shift

🇩🇰 Denmark

Wind domination: Offshore and onshore wind now contribute 54% of Danish electricity; biomass and solar make up over 80% of their total power mix .

Growth strategies: Denmark targets 18 GW offshore wind by 2030 and up to 35 GW by 2050 .

Fossil phase‑out: Coal retires, biomass replaces gas in district heating, and biogas is expanding—all pointing to full fossil‑free electricity by 2030 .

🇬🇧 United Kingdom

Record-low strikes: 2019 CfD offshore wind achieved contracts at £39.65–41.61/MWh, even below 2025 costs .

Grid savings: Winning offshore wind bids save ~£100–170 million per GW annually compared to gas .

First-ever negative energy prices: In December 2024, wind-driven surplus pushed UK power prices below zero .

Key Renewable Sources


1. Wind Power

Onshore and offshore turbines are the cheapest new electricity sources. UK & Denmark lead with large-scale deployments.

2. Solar PV

Large-scale solar costs ~£41/MWh—half the gas price .

3. Biomass & Biogas

Denmark uses biomass for ~20% of its electricity and expanding biogas & biomethane in heating .

4. Emerging: Storage & Hydrogen

Investments in batteries, CCS, green hydrogen, and district heating ensure grid stability as renewables expand .

Key Companies Driving the Transition

Ørsted (Denmark): The world’s largest offshore wind developer with major UK (Hornsea, Barrow) & US projects .

Equinor: Now a major Ørsted shareholder, helping shift from oil & gas to green energy .

100Green (UK): Offers 100% renewable electricity & green gas to UK homes .

📌 Sources

IRENA: 81% of renewables cheaper than fossil fuels  

BEIS/Imperial College: LCOE figures for wind & solar vs gas  

Carbon Brief & resilience analyses on UK energy economics  

IEA & national reports on Denmark’s energy mix & targets  

Wikipedia/company profiles for Ørsted, 100Green 

News & market research on UK power prices & auctions 

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