Utility

Australian Water Utility Seeks Net-Zero Costs with Solar Plus Storage
Adelaide, South Australia, water utility SA Water is planning to achieve net-zero electricity costs by building a solar portfolio paired with energy storage. [...]
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How Blockchain Is Threatening to Kill the Traditional Utility
If utilities think rooftop solar panels and batteries are bad for business, blockchain should scare the bejeezus out of them. That’s because in addition to helping more people slap panels on their rooftops — which eats into power sales and taxes grids — the distributed, digital ledger that’s proliferated across industries can also be used to trade electricity without a utility even knowing it. [...]
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Illinois Blazes New Trail for Private Microgrids Using Utility Wires
Imagine you and your neighbors have solar panels on your roofs. You want to create a mini-power grid so that your neighborhood can operate solely on your panels’ electricity, even sending excess power from one home to another. And if there’s a storm that affects the main power grid, your homes can disconnect and stay powered. [...]
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Stranded Utility Renewables — A Competitive Challenge for Early Adopters
Figures for the deployment of utility-scale renewable energy projects in the U.S. over the past decade are truly breathtaking. Installed utility-scale wind power capacity in the U.S. has increased nearly sevenfold since 2007, reaching a cumulative level of more than 80,000 MW in 2016. Deployment of utility-scale solar has been even more impressive, reaching a cumulative level of more than 10,000 MW in 2016 from less than 160 MW in 2007. [...]
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PV Plant Repowering, the Utility 50-Year Systems Model
There are two basic types of solar PV plant repowering. The first is for existing or distressed plants. The second is for extending the life of new plants at the end of their initial design life, which is projected at about 20 to 25 years. So as we concentrate on new plant repowering, what is the difference? [...]
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3@3 on Solar PV: Utility Backlash, Blockchain, Diversity
Today’s topics include how utilities are crying foul about the price of PPAs - is this the beginning of a big backlash against solar? In addition, we'll discuss blockchain technology and diversity in the solar industry. Check it out! [...]
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Apple Agrees to Buy Solar Power From Buffett’s Nevada Utility
Apple Inc. agreed to buy the output from a proposed 200-MW solar farm in Nevada to help power a data center in Reno. [...]
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Lessons from Negotiations with the Utility
COSEIA Executive Director Rebecca Cantwell published an Op Ed piece in Solar Industry Magazine (January 2017) describing her experiences negotiating a complex settlement agreement with Xcel Energy last year. The settlement resolved issues from Xcel’s virtual barrage of PUC filings in 2016. We republish it here for your convenience: “As executive director of the Colorado Solar Energy Industries Association, I spent much of my summer in corporate conference rooms at the headquarters [...]
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New Utility Program Helps Customers Go Off-Grid
It seems counterintuitive, doesn’t it? If utilities are in the business of selling kilowatt-hours, then why would it make sense for them to help customers produce enough of their own kilowatt-hours that they don’t need to buy them from the utility anymore? Burlington, VT-based Green Mountain Power is testing a new program that it hopes will result in dollar and carbon-emission savings for both customers and itself. It’s Off-Grid package includes an energy efficiency audit in partnership wi [...]
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Comparing Central Inverters and String Inverters in Utility Scale Solar Systems in North America
System designers have more options today than ever before when architecting solar systems. While this may seem like a great advantage, these options necessitate an ever growing number of decision points in the design process. [...]
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