William Driscoll
willdriscoll.bsky.social
William Driscoll
@willdriscoll.bsky.social
Author of "Your Arteries-An Owner's Manual." Reporter for PV Magazine USA on developments that speed or slow deployment of solar and storage.
In Puerto Rico, residential solar and storage growth outpaces utility-scale developments: Puerto Rico has reached 1.3 GW of residential solar and 185,000 residential batteries, while utility-scale solar and storage projects are gearing up. My latest for PV Magazine USA.
#EnergySky
In Puerto Rico, residential solar and storage growth outpaces utility-scale developments
Puerto Rico has reached 1.3 GW of residential solar and 185,000 residential batteries, with Wood Mackenzie expecting three more GWh of residential storage by 2029. Utility-scale solar and storage proj...
pv-magazine-usa.com
November 14, 2025 at 3:53 PM
In Virginia and New Jersey, solar and storage goals include surplus interconnection: Incoming governors in both states campaigned on broad clean energy platforms, while Advanced Energy United sees underused points of interconnection as the best solar and storage opportunity in Virginia.
#EnergySky
In Virginia and New Jersey, solar and storage goals include surplus interconnection
Incoming governors in New Jersey and Virginia campaigned on broad clean energy platforms, while Advanced Energy United sees underused points of interconnection as the best solar and storage opportunit...
pv-magazine-usa.com
November 13, 2025 at 12:23 PM
Illinois to add 3 GW of batteries, saving consumers $12 billion over 20 years by reducing capacity costs. Transmission improvements to speed renewable deployment are also in the works.
#EnergySky
Illinois to add 3 GW of batteries, saving consumers $12 billion over 20 years
Illinois is set to issue procurements for 3 GW of battery storage, under a bill expected to be signed by Governor JB Pritzker. Transmission improvements to speed renewable deployment are also in the w...
pv-magazine-usa.com
November 5, 2025 at 7:33 PM
While other utilities are “dabbling” with solar, Florida Power & Light is combining solar and storage as a “workhorse” technology, said Stephen Smith, executive director of @cleanenergy.org--showing what a committed utility can do. My latest for PV Magazine USA.
@maggieshober.bsky.social
#EnergySky
Florida utility on pace to reach 93 GW solar, 50 GW storage by 2045
While utilities in neighboring states are “dabbling” with solar, Florida Power & Light is combining solar and storage as a “workhorse” technology, said a nonprofit executive.
pv-magazine-usa.com
November 3, 2025 at 3:42 PM
Geothermal developer Mazama Energy aims for 5¢/kWh power: The company says it has accessed a world-record high temperature geothermal resource, and that hotter underground rocks can enable lower-cost power. (My latest for PV Magazine USA)
#EnergySky
Geothermal developer Mazama Energy aims for 5¢/kWh power
Mazama Energy says it has accessed a world-record high temperature geothermal resource, and that hotter underground rocks can enable lower-cost power.
pv-magazine-usa.com
October 31, 2025 at 1:48 PM
New York utility aims to expand its flexible interconnection pilot:
After operating a 15 MW solar plant with flexible interconnection that requires occasional curtailment but not grid upgrades, Avangrid aims to expand flexible interconnection on its distribution grid.
My latest for PV Mag
#EnergySky
New York utility aims to expand its flexible interconnection pilot
After operating a 15 MW solar plant with flexible interconnection that requires occasional curtailment but not grid upgrades, Avangrid seeks to expand flexible interconnection to additional portions o...
pv-magazine-usa.com
October 28, 2025 at 1:30 PM
Large-scale renewables have likely reduced electricity prices in recent years, while net energy metering and RPS policies generally increased prices, researchers found.
But states with the highest share of renewable generation in 2024 had among the lowest prices.
#EnergySky
Solar deployment and policies have had a mixed effect on electricity prices, researchers find
While large-scale solar and wind deployment “may have reduced” retail electricity prices over the past five years, net energy metering and renewable portfolio standards generally increased prices, the...
pv-magazine-usa.com
October 22, 2025 at 3:50 PM
19 states sue EPA to reinstate $7 billion of Solar for All funding:
The lawsuit alleges that EPA’s cancellation of Solar for All grants violated a federal law and a provision of the U.S. Constitution, and asks the court to reinstate the grants.
#EnergySky
pv-magazine-usa.com/2025/10/21/1...
19 states sue EPA to reinstate $7 billion of Solar for All funding
The lawsuit alleges that EPA’s cancellation of Solar for All grants violated a federal law and a provision of the U.S. Constitution, and asks the court to reinstate the grants. A second lawsuit seeks ...
pv-magazine-usa.com
October 21, 2025 at 1:34 PM
Rondo Energy's 100 MWh heat battery powered by 20 MW of onsite solar: Heat batteries for storing industrial process heat can also be powered by low-cost grid electricity generated at sunny and windy hours, the company said. (My latest story for PV Magazine USA)
#EnergySky
Rondo Energy’s 100 MWh heat battery powered by 20 MW of onsite solar
Heat batteries for storing industrial heat can also be powered by low-cost grid electricity generated at sunny and windy hours, the company said.
pv-magazine-usa.com
October 17, 2025 at 2:14 PM
PJM grid region needs 16 GW of storage by 2032, says Brattle study: “Hundreds of storage projects are stalled in PJM’s interconnection queue,” said the Energy Storage Coalition.
pv-magazine-usa.com/2025/10/15/p...
#EnergySky
PJM grid region needs 16 GW of storage by 2032, says Brattle study
“Without decisive action" to add storage, "millions of homes and businesses could face costly and dangerous reliability risks,” said the trade group sponsoring the study. “Hundreds of storage projects...
pv-magazine-usa.com
October 15, 2025 at 5:41 PM
Court orders FEMA to consider distributed solar and storage for Puerto Rico hurricane recovery. Up to $11 billion in federal funds may still be available. (My latest story for PV Magazine USA)
Court orders FEMA to consider distributed solar and storage for Puerto Rico hurricane recovery
“We look forward to FEMA’s new review,” said an attorney for the plaintiffs. Up to $11 billion in federal funds may still be available for Puerto Rico to recover from grid damage sustained from 2017’s...
pv-magazine-usa.com
October 13, 2025 at 2:58 PM
California required new hardware for dynamic pricing, and manufacturers built it: As California works to launch opt-in dynamic pricing of electricity that favors low-cost renewables, three manufacturers now offer 73 models of a type of price-responsive device. (My latest story for PV Magazine USA)
California required new hardware for dynamic pricing, and manufacturers built it
As California works to launch opt-in dynamic pricing of electricity that favors low-cost renewables, three manufacturers now offer 73 models of a type of price-responsive device.
pv-magazine-usa.com
October 6, 2025 at 5:16 PM
As bidirectional EV charging grows, a utility group suggests requiring interconnection of bidirectional chargers to enable grid compensation for EV owners while enhancing safety.
#EnergySky
As bidirectional EV charging grows, utility group suggests requiring interconnection
Interconnection of bidirectional EV chargers can enable grid compensation for EV owners while enhancing safety, says a report that offers comprehensive guidance for regulators.
pv-magazine-usa.com
October 2, 2025 at 1:59 PM
California is the first state to enable distributed solar or storage projects to use flexible interconnection, but the hardware required to flexibly control output may not yet be available.
#EnergySky
California allows flexible interconnection for distributed solar, storage to avoid grid upgrades
California is the first state to enable distributed solar or storage projects to use flexible interconnection, but the hardware required to flexibly control output may not yet be available.
pv-magazine-usa.com
September 29, 2025 at 6:11 PM
Deploy grid-forming batteries now to avoid costly infrastructure later, says ESIG: Large-scale batteries with grid-forming software can sustain grid reliability as renewables replace synchronous fossil generators, says an ESIG report. (My latest story for PV Magazine USA)
#EnergySky
Deploy grid-forming batteries now to avoid costly infrastructure later, says ESIG
Large-scale batteries with grid-forming software can sustain grid reliability as renewables replace synchronous fossil generators, says an ESIG report. The report focuses on test procedures to validat...
pv-magazine-usa.com
September 18, 2025 at 2:16 PM
California requires utilities to offer dynamic pricing that favors low-cost renewables: Solar trade group SEIA said dynamic pricing would reduce renewable curtailment and could in the long term reduce costs for all customers. (My latest for PV Magazine)
#EnergySky
pv-magazine-usa.com/2025/09/11/c...
California requires utilities to offer dynamic pricing that favors low-cost renewables
Solar trade group SEIA said that dynamic pricing of electricity in California would reduce renewable curtailment and could in the long term reduce costs for all customers.
pv-magazine-usa.com
September 11, 2025 at 1:56 PM
Dynamic pricing is superior to virtual power plants, says dynamic pricing pioneer Edward Cazalet. California is pursuing dynamic pricing of electricity to help integrate renewable generation and reduce customer costs. (My interview story for PV Magazine USA)
#EnergySky
Dynamic pricing is superior to virtual power plants, says dynamic pricing pioneer
As California pursues dynamic pricing of electricity to help integrate renewable generation, industry pioneer Edward Cazalet says dynamic pricing can meet California’s demand flexibility needs better ...
pv-magazine-usa.com
August 27, 2025 at 1:42 PM
PJM could fast-track 102 GW of solar and 24 GW of storage at underused points of interconnection, with deployments within 1-2 years, found researchers Umed Paliwal and Amol Phadke.
#EnergySky
PJM could fast-track 102 GW solar, 24 GW storage at underused points of interconnection
The nation’s largest grid operator could enable deployment of much-needed renewable capacity in the next 1-2 years, researchers found.
pv-magazine-usa.com
August 26, 2025 at 5:01 PM
New Jersey utilities must now explain their votes on matters decided by grid operator PJM. The practical effect may be merely informational, given that most other utilities served by PJM are not subject to such a law, and utilities collectively have only a 20% voting share in PJM votes.
#EnergySky
New Jersey utilities must explain their votes on matters decided by grid operator PJM
When members of the nation’s largest grid operator PJM vote on matters affecting the speed of PJM’s interconnection studies and other issues, utilities in New Jersey and Maryland must now report on ho...
pv-magazine-usa.com
August 20, 2025 at 2:07 PM
Data center firms could buy utilities and add renewables, says Simon Mahan, executive director of the Southern Renewable Energy Association. We interviewed him to learn more; here are his condensed remarks.
@simonmahan.bsky.social
Data center firms could buy utilities and add renewables, says trade group executive
Simon Mahan, executive director of the Southern Renewable Energy Association, has talked about the possibility that data center firms could buy electric utilities and then add the fastest, least-cost ...
pv-magazine-usa.com
August 14, 2025 at 2:14 PM
California could move quickly to enable 23 GW of renewables near existing thermal generators, in time for the projects to qualify for tax credits before they expire, says a think tank policy director. Quoted in my latest story for PV Magazine USA is an LA Times opinion piece by @oboylemm.bsky.social
An ambitious proposal to quickly add 23 GW of renewables in California
California could move quickly to enable 23 GW of renewables near existing thermal generators, in time for the projects to qualify for tax credits before they expire, says a think tank policy director.
pv-magazine-usa.com
August 5, 2025 at 2:18 PM
Starving Gazans Need the US Navy’s Help, says retired US Navy admiral James Stavridis in a Bloomberg Opinion piece at lnkd.in/eusXdxum
#LetFoodIntoGaza
#StopTheHolocaust
August 2, 2025 at 10:14 PM
Marjorie Taylor Greene calls Israel's Gaza policy "Genocide," per New York Times.
www.nytimes.com/2025/07/29/u...
Greene Calls Gaza Crisis a ‘Genocide,’ Hinting at Rift on the Right Over Israel
www.nytimes.com
July 30, 2025 at 2:07 AM
A low-cost high-renewables grid will require much more high-capacity transmission, but the pace of transmission development is not keeping up, says a report from Americans for a Clean Energy Grid prepared by Grid Strategies. (Reconductoring of existing transmission was not considered.)
#EnergySky
Transmission build last year was at one-fifth the pace needed, clean energy group finds
Reaching a low-cost high-renewables grid will require much more high-capacity transmission, but the pace of transmission development is not keeping up.
pv-magazine-usa.com
July 28, 2025 at 3:42 PM
A GridLab and Telos Energy study suggests that building and connecting clean energy projects now awaiting interconnection could serve near-term demand growth--so keeping old coal and adding new gas aren't needed. (My latest story for PV Magazine USA)
#energysky

pv-magazine-usa.com/2025/07/21/c...
Clean energy could meet growing electricity demand, study suggests
While a government report suggests keeping coal units online and adding gas units to meet electricity demand, a GridLab and Telos Energy study suggests that building and connecting clean energy projec...
pv-magazine-usa.com
July 21, 2025 at 4:34 PM