ENERGY EFFICIENCY

Since 2001, Focus on Energy has worked with Stora Enso to lower its annual energy consumption by 22 million kilowatt-hours (kWh) and 3.6 million therms of natural gas, in turn lowering its annual energy costs by $3.5 million

Labor Costs Are Keeping PV Systems Expensive

The ability to get PV costs down further will depend on bigger fabs and worker productivity.

New Applications for EVs

A "low speed electric mobile advertising system," whereby utility bed GEM vehicles are outfitted with illuminated billboards.

Next Energy Opens Zero Emission Building

Next Energy expects that the building will require over 80% less energy than a conventionally built, fossil fuel-fired structure.

Offshore Wind: Europe's EUR 90 Billion Funding Gap

We believe that European governments need to address two problems in order to get Europe's offshore wind plans back on track: the cumbersome permitting process, and the cost of grid connections.

Performance Standards For Solar Modules And Collectors - Why They Are Important?

Guidelines and standards provide a level playing field for all parties. Retailers, purchasing agencies and consumers must be able to evaluate the merits of solar devices based on a common set of industry-approved standards if we hope to achieve broad market penetration.

Small Hydro System At Backwoods Solar Homestead

At the driest time of year, our creek measures about 3 feet wide by 3-4 inches deep and a five-gallon bucket and stopwatch suggested we had over 300 gpm flowing past our intake site. Wow, lots of potential.

Solar Energy Potential At Different Latitudes

I was surprised to see that, in Germany, where they receive a fewer amount of energy with respect to other countries, by the end of 2003 had clearly invested more in solar panels than many other countries which get more solar energy than them.

Sustainable Energy: What's it All About?

The first in a series that explores the future of sustainable energy across British Columbia

The Advantages of LED Lights

The key strength of LED lighting systems is in their low power consumption and durability. On average led based lighting systems will use 10%-20% of the power consumption of their incandescent counterparts.

The Prius Controversy: Is there really a problem?

Based on my review of the reports, there appear to be four areas of concern and three corrective measures which have been taken by Toyota dealerships.

The right water treatment after rainwater harvesting

For the rainwater to be fit for human consumption, it is important that the water goes through the following processes. Screening, settling, filtering and disinfection.

Tips for Purchasing the Most Energy Efficient Clothes Washer

When buying a clothes washer, it can be helpful to think of two price tags. The first price tag is the price paid to purchase the washer. The second price tag is the cost to operate the washer over its lifetime.

Working the Soil and Shifting the Paradigm:

For the modern home gardener, it may take a personal "revolution" to shift your gardening paradigm away from using harmful chemicals, as chemical gardening is generally seen as less work than organic gardening.

EarthToys Interview With Jodie Roussell Of Acore

Jodie Roussell, American Council on Renewable Energy (ACORE)

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Solar & Wind - Featured Product

Darfon G320 Microinverter

Darfon G320 Microinverter

The Darfon G320 is the microinverter solution for today's high-power solar modules. The G320 handles 60- and 72-cell modules up to 350W DC and outputs up to 300W AC. The G320's 3-phase configuration accommodates the electrical distribution systems of most commercial buildings and to reduce, if not eliminate, the need for expensive transformers. The G320 comes in four voltage/phase configurations, so it can be installed in residential, commercial or utility applications.