Batteries Are Changing Sunrun’s Approach to Solar

The solar industry is talking about battery storage almost as much as solar these days.

On this week's Interchange, we're addressing the shift toward storage in residential solar. Sunrun, a top installer, is at the forefront of the trend. In California, the company is adding storage to 20 percent of rooftop PV systems — and it believes other states will soon catch up. 

Sunrun now thinks of itself as a grid services provider. We'll talk with Sunrun Chief Policy Officer Anne Hoskins about how this broadened focus influences the way it interacts with utilities, regulators and customers. 

Shayle and Stephen will also

The new amendment comes after a net metering bill failed last month.

House representatives in South Carolina passed a measure late Wednesday night that would raise the state's net metering cap from 2 percent to 4 percent, allowing future rooftop solar customers to earn a credit for the excess power they produce. 

Amendment 9, approved as part of the state's budget bill (HB 4950), gives solar companies newfound hope they'll be able to maintain the policy that has enabled South Carolina's rooftop solar market to rapidly grow, with the current net metering cap approaching and time running out on the legislative session. 

A previous attempt to raise the net metering cap was defeated last month on

Last year, the California Public Utilities Commission launched an effort to grapple with how the rise of distributed energy resources, third-party energy services business models, and community choice aggregators were fundamentally altering the state’s energy landscape — for good, or potentially, for ill. 

As a regulator with the mission to keep energy affordable, reliable and decarbonized, the CPUC’s main concern was how these trends are taking market share and power away from the state’s investor-owned utilities, which it regulates, and putting it into the hands of third parties over which it may or may not have control.

On Thursday, the CPUC’s Policy and Planning

The renewable energy sector has upped its support for Republicans in congressional races this election cycle, as the industry continues to expand nationally and become increasingly mainstream. 

According to a Reuters analysis of campaign finance data, political action committees representing solar and wind companies have donated nearly $400,000 to candidates and PACs in the 2018 election cycle, with  $247,000 going to Republicans, $139,300 to Democrats, and $7,500 to independents.

The 2016 presidential election marked the first time the clean energy industry gave more to the GOP than to Democrats, with slightly more than half of the $695,470 in political contributions from major wind and solar

Tesla Confident in Model 3 Ramp-Up Target, Expects Profitability in Second Half of 2018

Tesla continues to project a significant ramp up in Model 3 production and positive cash flow in the second half of 2018, according to Q1 financial results released Wednesday.

In a letter to shareholders, CEO Elon Musk said Tesla expects to make “approximately” 5,000 units of the Model 3 “in about two months,” the same target the company had included in Q1 car production results released last month.

The automaker produced more than 2,000 Model 3 sedans for three straight weeks in April, with weekly production topping out at 2,270 units. According to Tesla, the Model 3 is already the best-selling

Hanergy promises national distribution once the tiles win UL certification

A Chinese firm has developed a glass-topped solar roofing tile that should go on sale later this year, a potential challenger for Tesla's Solar Roof in the upscale solar market.

Hanergy, which is based in Beijing, announced last month it would introduce a new generation of its HanTiles in the U.S. The tiles, which combine thin-film photovoltaics with high-transmittance glass, can replace conventional roofing.

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Ecoult emerges out of the shadows with another grid-scale battery project.

Ecoult, the advanced lead-acid battery maker, is back in the grid-scale energy storage game with 2-megawatt project for an unnamed government client.

The project is the first megawatt-scale project for the low-key Australian manufacturer since it installed a 1-megawatt battery for ancillary services, peak shaving and emergency backup on the PJM Interconnection grid in 2016.

“This project is significant and combines the opportunity to benefit from revenue for the provision of ancillary services when the grid is operating with the ability for the facility to island from its own renewable and diesel resources if the grid fails,” said CEO John Wood.

Ecoult sells a unique

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