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© 2026 Developments Today. All rights reserved.

Plug-in solar is legal in these 10 states now – how it could save you money

Ten US states move to legalize plug-in solar systems

Ten states have legalized plug-in or backyard solar systems, with some laws taking effect in 2027.
The systems use solar panels, an inverter and a battery connected to a standard 120-volt outlet.
Electrical codes, utility regulations and certification requirements remain central to deployment.

DE

DT Editorial Team·Oct 19, 2026·via zdnet.com

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Sunrun to Supply Voltus with Energy Capacity for AI Hyperscaler Agreements - CleanTechnica

Sunrun and Voltus Team Up to Power AI Data Centers with Home Batteries

Sunrun and Voltus announce agreement to supply energy capacity from residential solar-plus-storage to AI hyperscalers.
Voltus's Bring Your Own Capacity program enables large loads to bring flexible capacity to the grid.
The partnership targets PJM and MISO regions, strengthening grid reliability and creating economic benefits for customers.
Sunrun CEO Mary Powell and Voltus CEO Dana Guernsey emphasize the importance of distributed energy assets.

DE

DT Editorial Team·Aug 18, 2026·via cleantechnica.com

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Eversource launches targeted load management pilots in Massachusetts

Eversource Tests Targeted Demand Response for Heat and Solar Stress in Massachusetts

Eversource launched two targeted Massachusetts pilots under its ConnectedSolutions framework.
One pilot focuses on relieving local summer heatwave congestion near specific substations in Greater Boston.
The second encourages EV and battery charging during midday excess solar periods in southeastern Massachusetts.
The utility expects to gather data this year and may continue or expand the pilots through 2029.

DE

DT Editorial Team·Jul 2, 2026·via utilitydive.com

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3 home energy providers offer 16.8 GW of distributed capacity to utilities, hyperscalers

Home energy companies pitch 16.8 GW of distributed grid capacity

Sunrun, Tesla and Renew Home say their combined residential fleets can offer 16.8 GW of distributed capacity.
The portfolio includes home batteries, rooftop solar systems and smart thermostats across 9 million U.S. homes.
The companies are targeting grid congestion and fast-growing data center markets in states including Texas, California and Virginia.

DE

DT Editorial Team·Jun 25, 2026·via utilitydive.com

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$7,000 for Rooftop Solar Permitting!? Time to Automate It - CleanTechnica

Solar permitting reform in New York could cut rooftop costs

An analysis cited in the source says permitting can add up to $7,000 to rooftop solar costs.
New York lawmakers are backing automated permitting through SolarAPP+.
The platform is already used by hundreds of jurisdictions and has issued more than 150,000 permits.

DE

DT Editorial Team·Jun 15, 2026·via cleantechnica.com

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Solar surprise: rare cloud condition pushed this solar panel system OVER 100%

A Rooftop Solar System Briefly Exceeded Its Rated Output in an Apparent Cloud-Driven Spike

Electrek reports an 880-watt rooftop solar system briefly showed output above 1,050 watts.
The article attributes the spike to a rare cloud-related condition.
The event highlights how real-world PV output can produce surprising short-lived peaks.
The supplied extracted text for this candidate is mismatched, limiting supported detail to metadata claims.

DE

DT Editorial Team·May 25, 2026·via electrek.co

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How small hydropower can compete with solar PV

Micro Hydropower Makes Its Case as a Remote Energy Alternative to Solar-Only Systems

The analysis argues micro hydropower can remain competitive with solar PV in remote settings.
Consistent local water resources may reduce dependence on storage-heavy solar-only designs.
Standards are presented as essential for reliable deployment and long-term viability.

DE

DT Editorial Team·May 20, 2026·via pv-magazine.com

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Pakistan’s operational PV capacity estimated at 51 GW

Pakistan’s Solar Buildout Appears to Be Racing Ahead of the Grid

Renewables First estimates Pakistan had deployed 51 GW of solar by March 2026.
Solar module imports had reached 54 GW by the end of March, according to the report.
The report says distributed solar is expanding even as utility-scale generation indicators show decline.

DE

DT Editorial Team·May 20, 2026·via pv-magazine.com

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Considering plug-in solar? My expert advice after setting up the DIY energy tech at home

Utah Stands Alone as Plug-In Solar Runs Into US Policy and Payback Limits

The supplied source says plug-in solar uses microinverters to feed power into a household system.
Utah is identified as the only US state to have passed legislation allowing such systems.
The cited system cost is about $2,400, with payback expected to take years.

DE

DT Editorial Team·May 17, 2026·via zdnet.com

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Spain accelerates rollout of energy communities

Spain expands energy communities as EU-backed local power model gains scale

Spain added 20 new energy community projects.
The country now has 262 energy communities in operation.
The program is backed by €108.4 million in EU-linked funding.
Projects combine solar, storage, efficiency, and mobility solutions.

DE

DT Editorial Team·May 10, 2026·via pv-magazine.com

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The balcony solar boom is coming to the US

Balcony Solar Is Moving From European Curiosity to U.S. Policy Fight

Utah became the first U.S. state to explicitly allow balcony solar in late 2025.
More than two dozen states are considering similar legislation.
Germany has already seen over a million balcony solar installations.
New certification standards aim to address household and electrical safety concerns.

DE

DT Editorial Team·May 9, 2026·via technologyreview.com

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IFC, Norfund back 315 solar hybrid minigrids in Nigeria

Backers move to finance 315 solar hybrid minigrids in Nigeria

IFC and Norfund are backing 315 solar hybrid minigrids in Nigeria.
The program is expected to enable about 494,189 new electricity connections.
The financing package totals up to $83.2 million across five energy companies.
The project targets a country where more than 85 million people lack electricity.

DE

DT Editorial Team·May 4, 2026·via pv-magazine.com

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French IPP building mini solar farms via low-voltage extension

A French Solar Developer Is Expanding Utility Projects One Low-Voltage Link at a Time

Solvéo Energies expanded its Bélesta-en-Lauragais plant to 3 MW with a new 300 kW unit.
The addition uses a separate low-voltage connection instead of the original plant’s high-voltage substation.
The design aims to speed permitting and connection while minimizing land use, though at somewhat higher upfront cost.

DE

DT Editorial Team·May 4, 2026·via pv-magazine.com

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Base Power partnership to mitigate price spikes, load peaks for South Texas co-op, CEO says

Texas Co-op Expands Residential Battery Deal to 50 MW to Cut Price Spikes and Peak Strain

GVEC and Base Power are expanding a distributed residential battery partnership to 50 MW across South Texas.
The co-op aims to have 20 MW online by the end of 2026 and add 15 MW to 20 MW per year after that.
The batteries are intended to reduce exposure to ERCOT load peaks and wholesale price spikes.

DE

DT Editorial Team·Apr 22, 2026·via utilitydive.com

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A closer look at EcoFlow’s three-phase Ocean 2 storage solution

EcoFlow expands into larger residential backup with its three-phase Ocean 2 storage system

EcoFlow presented Ocean 2 in Berlin as an installer-only, three-phase residential storage system.
The company says the modular platform can support both smaller and larger PV inputs, making it more expandable than earlier offerings.
The launch reflects a broader shift in home energy storage toward permanent, scalable electrical infrastructure rather than simple backup products.

DE

DT Editorial Team·Apr 21, 2026·via pv-magazine.com

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Control, not capacity, could be the next driver of US residential storage investment

Software control emerges as the new battleground in US home battery investing

Investors are shifting attention from battery deployment growth to platform control and recurring revenue.
Virtual power plants and aggregation are becoming central to residential storage economics.
Integrated hardware-and-software companies may gain an edge over hardware-only vendors.

DE

DT Editorial Team·Apr 21, 2026·via pv-magazine.com

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BLUETTI Brings Its Portable Power Stations To Hawaii Electric Home Show, RE+ Mexico - CleanTechnica

Portable Power Companies Are Targeting Costly Grids and Resilience Markets

BLUETTI is showcasing portable battery products in Hawaii and Mexico.
The marketing emphasis includes backup power, time-of-use load shifting, and replacing fossil-fueled generators in some cases.
The broader trend is portable storage moving closer to mainstream household energy use.

DE

DT Editorial Team·Apr 19, 2026·via cleantechnica.com

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Backup power is the LEAST interesting thing your home battery can do [update]

A Desert EV Mishap Hints at a New Edge Case for Portable Solar

Electrek reports that a Tesla owner used emergency solar to trickle charge after running out of battery in the desert.
The case points to a niche but meaningful overlap between EV recovery and portable distributed energy.
The supplied source text is brief, so the significance lies in the incident itself rather than detailed performance claims.

DE

DT Editorial Team·Apr 19, 2026·via electrek.co

More in Energy→

U.S. startup aims to make signing up for solar as easy as signing up for cell phone service

Terra Energy bets short-term subscriptions can remake residential solar

Terra Energy offers residential solar through a 36-month subscription.
The structure includes no upfront investment, no lien and a fixed rate with a 1.9% escalator.
The startup is challenging the standard long-term lease and PPA model.
Its core bet is that simpler contracts can improve solar adoption and retention.

DE

DT Editorial Team·Apr 17, 2026·via pv-magazine.com

More in Energy→

Turkish manufacturer presents photovoltaic water heater

Turkish firm unveils photovoltaic water heater that runs directly on DC solar power

WHS introduced the DC Sunboil photovoltaic water-heating system.
The product uses 1.6 kW of direct DC solar input with integrated MPPT.
It operates without an inverter and supports a 2 kW AC backup.
WHS says it can heat water to 65 C to 85 C for residential and small commercial use.

DE

DT Editorial Team·Apr 11, 2026·via pv-magazine.com

More in Energy→

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