Environment
Renewable energy
Solar, Wind and the Battery Problem
Also known as green energy, bioenergy
Renewable energy from the sun and wind is now some of the cheapest power ever, but it has one big flaw: the sun sets and the wind dies down. So the real race is about batteries, storing power for later, which sends us into Science and how Energy is captured and held. It is also an Economics story, because cheap clean power could finally help poor countries escape poverty without choking on pollution. And it is Politics, since the US and China are fighting to own the factories that build the panels and batteries the whole world needs.
Key people
- Sunday Chibeze EzekielGhanaian Climate Activist and Founder of Strategic Youth Network for Development
- Alex ZungerAmerican physicist and researcher
- Volker QuaschningGerman engineer and professor
- Ewa Klugmann-RadziemskaResearcher
Timeline
- 3500 BCWind power Humans have harnessed wind energy since at least 3500 BC.
- 1980Solar had long been used for heating and cooling, but solar panels were too costly to build solar farms until 1980.
- 2000This was an increase of over three and possibly four times the equivalent amount invested in the decade of 2000–2009 (no data is available for 2000–2003).
- 2008New government spending, regulation and policies helped the renewables industry weather the 2008 financial crisis and the Great Recession better than many other sectors.
- 2010Almost all of this growth has happened since 2010.
Read
- Renewable energy resourcesJohn Twidell · 1986Book
- Renewable energyFred J. Sissine · 1998Book
- Renewable Energy EngineeringNicholas Jenkins · 2016Book
- Renewable Energy FinanceSantosh Raikar · 2019Book
Listen
- All Things RenewableInternational Renewable Energy Agency (IRENA)Podcast
- Energy GangWood MackenziePodcast
- Columbia Energy ExchangeColumbia UniversityPodcast
- Renewable Energy SmartPodSean McMahonPodcast
Voices to follow
- Kay Theuer@kaytheuer · XGerman entrepreneur
- Johannes Schmidt@joaoestrangeiro · XAustrian researcher
- Nathan John Hagens@NJHagens · XSustainable energy researcher
- Volker Quaschning@VQuaschning · XGerman engineer and professor
By the numbers
- 4.7CO₂ per person (t) — global, 2024 (World Bank)
- 31.1Forest area (% land) — global, 2023 (World Bank)
Debates
- Should renewable energy development prioritize large-scale projects or distributed generation?One view: Large-scale projects, like solar farms or offshore wind, offer economies of scale and can rapidly increase overall renewable capacity. · Another: Distributed generation, such as rooftop solar, enhances energy independence, reduces transmission losses, and improves grid resilience.Open question
- Is the environmental impact of manufacturing and disposing of renewable energy components acceptable?One view: The long-term benefits of clean energy in reducing greenhouse gas emissions far outweigh the localized environmental costs of manufacturing and recycling renewable components. · Another: The resource extraction, manufacturing pollution, and waste management for components like solar panels and wind turbine blades pose significant environmental challenges that require more sustainable solutions.Open question
- Should governments heavily subsidize renewable energy or let market forces drive its adoption?One view: Government subsidies are crucial for accelerating the transition to renewables, making them competitive, and fostering innovation in new technologies. · Another: Allowing market forces to dictate renewable energy adoption ensures efficient resource allocation and prevents market distortions, leading to more sustainable growth.Open question
Glossary
- Solar Photovoltaic (PV)Technology converting sunlight directly into electricity using semiconductor materials.
- Wind TurbineA device that converts the kinetic energy of wind into electrical power.
- Geothermal EnergyHeat derived from the Earth's interior, used for electricity generation or direct heating.
- HydropowerElectricity generated by harnessing the energy of moving water, typically from dams.
- Biomass EnergyEnergy produced from organic matter, such as plants or animal waste.
- Smart GridAn electrical grid that uses digital communication to manage electricity supply and demand efficiently.
Careers
Roles this can lead toward
Student research
Published policy papers by One Young India delegates — every delegate leaves published under their own name.
Threads 5
Where this connects to other fields — and why it's worth knowing.
- Matter, Energy & Forces Science
Old coal and gas plants did a hidden job: their massive spinning turbines acted like a heavy flywheel that steadied the whole electric grid. Solar panels and wind don't spin like that, so as we shut the old plants down, engineers now have to build back that steadiness that used to come for free.
- Economic Development Economics
The sunniest places on Earth are often the poorest, so the fuel is free but the money to build solar farms isn't. That's the twist: cheap panels alone don't fix energy poverty when the funding still has to come from richer countries far away.
- Mathematical Finance & Markets Mathematics
A grid battery charges up at 3am when power is cheap and almost free, then sells it back at 6pm when everyone's home and prices spike. So it isn't really storing electricity. It's a trader placing a bet, just wearing the disguise of a box of chemicals.
- The US-China Rivalry Politics
Going green means loads of batteries and rare-earth metals — and China dominates both. So the West ditching oil could mean leaning on its biggest rival instead. Escaping one dependence walks you straight into another.
- Armed Conflict & State Fragility Global Risks
Armies often switch to solar panels not to save the planet but to save lives. Fuel trucks driving to a base are easy targets for ambush, so cutting the diesel deliveries removes a bullseye. Clean energy becomes a survival tactic, not a green one.