Renewable Energy

Saft Li-ion Battery to Power the ExoMars Rover as it Searches for Life on the Red Planet

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HOMER Energy Industry Partner Saft, the world’s leading designer and manufacturer of advanced technology batteries for industry, has signed a contract worth over one million euros from Airbus Defence and Space Ltd (UK) to develop, qualify and test a specific lithium-ion (Li-ion) battery system to power the ExoMars Rover vehicle. The Rover is the key component of the ExoMars Programme, run jointly by the European Space Agency (ESA) and Roscosmos, the Russian Federal […]

Canadian Solar Introduces the CS6K All-Black Solar Module Line into the Americas Market

GUELPH, Ontario, March 11, 2015 /PRNewswire/ — Canadian Solar Inc. (the “Company”, or “Canadian Solar”) (NASDAQ: CSIQ), one of the world’s largest solar power companies, today announced that it will introduce the company’s all-black solar module product line into the Americas market, covering both the North and South American continents. The new product line includes both an all-black CS6K-M monocrystalline module and an all-black CS6K-P module, both of which feature improved, aesthetically pleasing black […]

A Technology-Driven Disruption of Historic Proportion: 70 Seconds to Explain

It’s no secret that NRG has been vocal and clear about its opinion of what is happening to energy, in the U.S. and the world, from their lead on the Necker Island (home to out-of-the-box billionaire Richard Branson) microgrid project to their new branding focused on sustainability. This quote of NRG CEO David Crane in today’s RenewEconomy, which they dub as the… “Future of energy – and decline of centralised generation – explained […]

State Governors Call for Microgrid Development

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During his January 8 2015 inaugural address for his third term as Governor of Vermont, Peter Shumlin called attention to his state’s commitment to move forward with public microgrid and renewable energy development: “Yesterday’s huge power plants, far away out there somewhere, connected to us by miles and miles of poles and wires, will be supplanted by tomorrow’s integrated microgrid, with community-scaled renewable energy systems powering our smart green homes and businesses. That’s the […]

Using HOMER to Model Advanced Inverter Technology in Solar-Plus-Storage for Boulder, Colorado

Solar plus storage has been pegged as a game changer for the grid-connected world, offering a mechanism that allows much higher penetrations of renewable energy than simple rooftop PV. Additionally, properly controlled solar plus storage systems can deliver many additional values including demand-response and increased reliability, taking over when the grid is not available. HOMER Energy is part of the team led by Evolution7 Labs that was recently selected as a recipient of […]

Village Power – Back to HOMER’s Roots of Remote Hybrid Renewable Microgrids

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The HOMER software is now in use throughout the world, for hybrid renewable power systems of all sizes. But HOMER’s roots at the National Renewable Energy Laboratory were in village power, and HOMER Energy has recently been involved with a few village power projects that reminded us that 1.5 billion people still live without electricity, and the recent price increases in diesel fuel have made the transition to renewables far more compelling for […]

Central Solar Parks versus Microgrids: Cost Versus Security and Reliability

One of the biggest debates in today’s “energy society” relates to grid-scale renewable projects versus distributed generation, in particular the role of rooftop residential solar systems. Proponents of large centralized solar parks, such as the recently announced Xcel project in Pueblo, Colorado, point out, very correctly, that economies of scale allow those projects to produce power at about half the cost (excluding incentives) of residential rooftop projects. The typical counter argument, that distributed […]

Strawman Proposal for a Taxonomy of Renewable Penetration Levels

Wind turbines at sunset

This strawman taxonomy provides clear distinctions between different levels of renewable penetration.  By basing the criteria on the architecture and control of the power system, it avoids the ambiguity that is inherent in a taxonomy based on the percentage of renewable penetration or contribution.  Not only is the renewable penetration or contribution subject to multiple definitions, but it can vary widely depending on the load shape, characteristics of specific components, and the resource, […]

Call for Papers: Microgrid Deployment Forum

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HOMER Energy will convene the Microgrid Deployment Forum 2013 in Cancun, Mexico, November 8 and 9 2013, in conjunction with the Solar World Congress, sponsored by the International Solar Energy Society. The Microgrid Deployment Forum 2013 is a two-day event that carefully examines the business models, optimal technology mix, and critical steps for successfully deploying microgrid systems in remote, island, and off-grid environments. The emphasis is on refining the business model as well […]

The Problem with 100% Renewable Energy

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The New York Times reported recently on the work of a group of Stanford researchers, who published a piece in the journal Energy Policy claiming that the main issues with 100% renewables are neither economic nor technical but rather social and political will. Jesse Berst of Smart Grid News countered with a title that included the phrase, “Get real, Stanford.” As experts in the economics of renewable energy, HOMER Energy would like to […]