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How Manomet Got It Backwards: Challenging the “Debt-then-dividend” Axiom

How Manomet Got It Backwards: Challenging the “Debt-then-dividend” Axiom

This short article challenges the assumption that there is always a carbon debt incurred first and then a carbon dividend realized later (debt-then-dividend) when using woody biomass for energy.
PV technology forecast: Crystalline, crystalline, and more crystalline

PV technology forecast: Crystalline, crystalline, and more crystalline

As long as crystalline silicon (c-Si) solar PV is cheap, less-efficient thin-film solar cells will remain in the small minority. Navigant Consulting's Paula Mints shows that c-Si looks to be cheap for quite a while yet.
Debating 4 Dirty Myths on Clean Energy

Debating 4 Dirty Myths on Clean Energy

As the US Presidential Election is now behind us and 2013 is beginning, it is critical that our country begin to focus on solving problems. As one of this generation's most pressing problems is related to energy and sustainability, my sincere hope is that the debate on this topic leads us forward in a way that benefits our economy, environment, and security. Good debate, based on facts and reality, will lead us to a better place. Poor debate, based on fiction and myths, will lead us nowhere. And going nowhere on one of the most important challenges of this generation is unacceptable.
Solar Power’s Pathway to Energy Supremacy

Solar Power’s Pathway to Energy Supremacy

This final article in Philip Wolfe's short series brings together the technological, economic and political influences to project the future pathway for utility scale solar's contribution to global electricity generation.
Community Solar: An Alternative to Owning or Leasing Residential Solar Energy Systems

Community Solar: An Alternative to Owning or Leasing Residential Solar Energy Systems

Ready to go solar and start using a residential solar energy system? Great! The next question is probably, “How do I get started?
Measuring the Effects of Utility-Scale Solar Growth

Measuring the Effects of Utility-Scale Solar Growth

For so long it seemed like a pipe dream, yet in less than a decade utility-scale solar has reached $100 billion worth of capacity. Figures from the Energy Information Administration show that it delivered 5 percent of California's electricity in 2014. The time has come to evaluate the impact which this technology can have, not just in the United States but globally.
Saudi Arabia to Become the Saudi Arabia of Solar Electricity

Saudi Arabia to Become the Saudi Arabia of Solar Electricity

A couple days ago Bloomberg reported the following: "Saudi Arabia plans to generate solar electricity equaling the amount of its energy from crude exports, Oil Minister Ali Al-Naimi said." Wait, what?
Can’t Put Solar On Your House? Four Ways To Invest In Solar Leases

Can’t Put Solar On Your House? Four Ways To Invest In Solar Leases

The secret sauce for bringing residential solar into the mainstream is the solar lease. With the simple value proposition of little or no money down and cost savings from day one, a homeowner does not have to be an environmentalist or green to be interested in the green of a solar lease. He or she simply needs to live in a state where the combination of annual sunshine and state incentives provide the economics to make solar leases profitable for the lender and installer.
Brexit and the Bioeconomy

Brexit and the Bioeconomy

OK, the UK is exiting the EU, Cameron has resigned, Scotland is considering secession, Moody’s put the British credit rating on watch, and 12 shadow ministers of the Labor Party were either sacked or resigned, as the UK’s extraordinary political crisis unfolds. Markets melted on last week, with $2 trillion in value wiped off the globe’s account books — the largest one-day value downgrade in world history.
Top Three Reasons Cheap Natural Gas Won’t Kill Renewable Energy

Top Three Reasons Cheap Natural Gas Won’t Kill Renewable Energy

I'll be the first to admit that cheap natural gas prices are one of the biggest short-term threats to deployment of renewable energy in the U.S. today. With a glut of gas dropping prices to historic lows, the competitiveness of technologies like wind, solar PV, and solar hot water are facing significant challenges.