PJM Interconnection
@pjminterconnection.bsky.social
PJM Interconnection coordinates the movement of wholesale electricity and ensures power supplies for 67 million people in all or parts of 13 states & D.C.
This week PJM staff assembled 1,000 snack bags for the Upper Merion Area Community Cupboard, which they will distribute to children in need in the area. Thank you to the PJM staff who participated and helped make the event a success by supporting the organization’s culture of caring.
September 18, 2026 at 2:46 PM
This week PJM staff assembled 1,000 snack bags for the Upper Merion Area Community Cupboard, which they will distribute to children in need in the area. Thank you to the PJM staff who participated and helped make the event a success by supporting the organization’s culture of caring.
Forecast peak #electricity usage for Sept. 18 in #PJM region: 122,324 MW at 5 p.m. (Eastern); total scheduled capacity 140,748 MW (data as of 5 a.m.)
September 18, 2026 at 9:59 AM
Forecast peak #electricity usage for Sept. 18 in #PJM region: 122,324 MW at 5 p.m. (Eastern); total scheduled capacity 140,748 MW (data as of 5 a.m.)
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 17: 126,343 MW between 5 and 6 p.m. (Eastern)
September 18, 2026 at 9:59 AM
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 17: 126,343 MW between 5 and 6 p.m. (Eastern)
PJM Operations Update – Sept. 17, 2026 https://insidelines.pjm.com/pjm-operations-update-sept-17-2026/
September 17, 2026 at 7:37 PM
PJM Operations Update – Sept. 17, 2026 https://insidelines.pjm.com/pjm-operations-update-sept-17-2026/
Forecast peak #electricity usage for Sept. 17 in #PJM region: 133,468 MW at 5 p.m. (Eastern); total scheduled capacity 141,606 MW (data as of 6 a.m.)
September 17, 2026 at 10:36 AM
Forecast peak #electricity usage for Sept. 17 in #PJM region: 133,468 MW at 5 p.m. (Eastern); total scheduled capacity 141,606 MW (data as of 6 a.m.)
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 16: 127,729 MW between 5 and 6 p.m. (Eastern)
September 17, 2026 at 10:35 AM
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 16: 127,729 MW between 5 and 6 p.m. (Eastern)
PJM has issued a Maximum Generation Alert and Load Management Alert for Sept. 17 ahead of unusually warm September weather and planned maintenance outages for both generation resources and transmission. This alert does not require any action from customers. https://bit.ly/4xy6xVf
September 16, 2026 at 7:44 PM
PJM has issued a Maximum Generation Alert and Load Management Alert for Sept. 17 ahead of unusually warm September weather and planned maintenance outages for both generation resources and transmission. This alert does not require any action from customers. https://bit.ly/4xy6xVf
PJM serves 67 million people across 13 states and D.C. across a network of 88,417 miles of high-voltage transmission lines. Learn more about who we are and what we’re doing to meet each moment in PJM’s 2025 Annual Report. https://www.pjm.com/about-pjm/who-we-are/annual-report
September 16, 2026 at 7:01 PM
PJM serves 67 million people across 13 states and D.C. across a network of 88,417 miles of high-voltage transmission lines. Learn more about who we are and what we’re doing to meet each moment in PJM’s 2025 Annual Report. https://www.pjm.com/about-pjm/who-we-are/annual-report
Forecast peak #electricity usage for Sept. 16 in #PJM region: 125,173 MW at 5 p.m. (Eastern); total scheduled capacity 139,541 MW (data as of 7 a.m.)
September 16, 2026 at 11:28 AM
Forecast peak #electricity usage for Sept. 16 in #PJM region: 125,173 MW at 5 p.m. (Eastern); total scheduled capacity 139,541 MW (data as of 7 a.m.)
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 15: 117,670 MW between 5 and 6 p.m. (Eastern)
September 16, 2026 at 11:27 AM
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 15: 117,670 MW between 5 and 6 p.m. (Eastern)
Reminder: PJM GridAdvance Summit One Month Away https://insidelines.pjm.com/reminder-pjm-gridadvance-summit-one-month-away/
September 15, 2026 at 5:55 PM
Reminder: PJM GridAdvance Summit One Month Away https://insidelines.pjm.com/reminder-pjm-gridadvance-summit-one-month-away/
Forecast peak #electricity usage for Sept. 15 in #PJM region: 112,914 MW at 5 p.m. (Eastern); total scheduled capacity 137,568 MW (data as of 7 a.m.)
September 15, 2026 at 11:19 AM
Forecast peak #electricity usage for Sept. 15 in #PJM region: 112,914 MW at 5 p.m. (Eastern); total scheduled capacity 137,568 MW (data as of 7 a.m.)
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 14: 110,767 MW between 5 and 6 p.m. (Eastern)
September 15, 2026 at 11:17 AM
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 14: 110,767 MW between 5 and 6 p.m. (Eastern)
Forecast peak #electricity usage for Sept. 14 in #PJM region: 109,232 MW at 5 p.m. (Eastern); total scheduled capacity 139,372 MW (data as of 7 a.m.)
September 14, 2026 at 11:50 AM
Forecast peak #electricity usage for Sept. 14 in #PJM region: 109,232 MW at 5 p.m. (Eastern); total scheduled capacity 139,372 MW (data as of 7 a.m.)
Preliminary peaks for #PJM region #electricity use on:
Sept. 11: 124,399 MW between 5-6 p.m.
Sept. 12: 114,989 MW between 5-6 p.m.
Sept. 13: 122,659 MW between 5-6 p.m.
(All times Eastern)
Sept. 11: 124,399 MW between 5-6 p.m.
Sept. 12: 114,989 MW between 5-6 p.m.
Sept. 13: 122,659 MW between 5-6 p.m.
(All times Eastern)
September 14, 2026 at 11:47 AM
Preliminary peaks for #PJM region #electricity use on:
Sept. 11: 124,399 MW between 5-6 p.m.
Sept. 12: 114,989 MW between 5-6 p.m.
Sept. 13: 122,659 MW between 5-6 p.m.
(All times Eastern)
Sept. 11: 124,399 MW between 5-6 p.m.
Sept. 12: 114,989 MW between 5-6 p.m.
Sept. 13: 122,659 MW between 5-6 p.m.
(All times Eastern)
Forecast peak #electricity usage for Sept. 11 in #PJM region: 122,349 MW at 5 p.m. (Eastern); total scheduled capacity 144,562 MW (data as of 6 a.m.)
September 11, 2026 at 10:45 AM
Forecast peak #electricity usage for Sept. 11 in #PJM region: 122,349 MW at 5 p.m. (Eastern); total scheduled capacity 144,562 MW (data as of 6 a.m.)
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 10: 132,789 MW between 5 and 6 p.m. (Eastern)
September 11, 2026 at 10:45 AM
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 10: 132,789 MW between 5 and 6 p.m. (Eastern)
Forecast peak #electricity usage for Sept. 11 in #PJM region: 122,349 MW at 5 p.m. (Eastern); total scheduled capacity 144,562 MW (data as of 6 a.m.)
September 11, 2026 at 10:35 AM
Forecast peak #electricity usage for Sept. 11 in #PJM region: 122,349 MW at 5 p.m. (Eastern); total scheduled capacity 144,562 MW (data as of 6 a.m.)
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 10: 132,789 MW between 5 and 6 p.m. (Eastern)
September 11, 2026 at 10:34 AM
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 10: 132,789 MW between 5 and 6 p.m. (Eastern)
PJM has proposed changes to interconnection reliability requirements for Large Loads, specifically, computational loads that include data centers and crypto-mining facilities. Read more at https://bit.ly/4xICL0Z
September 10, 2026 at 2:50 PM
PJM has proposed changes to interconnection reliability requirements for Large Loads, specifically, computational loads that include data centers and crypto-mining facilities. Read more at https://bit.ly/4xICL0Z
Forecast peak #electricity usage for Sept. 10 in #PJM region: 131,565 MW at 4 p.m. (Eastern); total scheduled capacity 156,268 MW (data as of 6 a.m.)
September 10, 2026 at 11:01 AM
Forecast peak #electricity usage for Sept. 10 in #PJM region: 131,565 MW at 4 p.m. (Eastern); total scheduled capacity 156,268 MW (data as of 6 a.m.)
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 9: 136,872 MW between 5 and 6 p.m. (Eastern)
September 10, 2026 at 10:59 AM
Preliminary hourly integrated peak for #PJM region #electricity use on Sept. 9: 136,872 MW between 5 and 6 p.m. (Eastern)
We’re speeding up how we plan and connect new generation and infrastructure. Why? Rapid demand growth requires faster planning and smarter coordination. Learn more at https://www.pjm.com/about-pjm/corporate-strategy-and-value
September 9, 2026 at 6:04 PM
We’re speeding up how we plan and connect new generation and infrastructure. Why? Rapid demand growth requires faster planning and smarter coordination. Learn more at https://www.pjm.com/about-pjm/corporate-strategy-and-value
Forecast peak #electricity usage for Sept. 9 in #PJM region: 137,996 MW at 5 p.m. (Eastern); total scheduled capacity 159,541 MW (data as of 6 a.m.)
September 9, 2026 at 10:57 AM
Forecast peak #electricity usage for Sept. 9 in #PJM region: 137,996 MW at 5 p.m. (Eastern); total scheduled capacity 159,541 MW (data as of 6 a.m.)