Nstar Electric Co
NSAROOTCCIK 13372UtilitiesFiscal year ends Dec 31
Revenue is not reported in this company’s XBRL financial statements.
Latest quarter: Q1 FY2012
Three months to Mar 31, 2012, against the same quarter a year earlier.
- Revenuenot reported (Revenue not reported)No year-earlier figure to compare
- Gross marginnot reported (Gross profit and Revenue not reported)No year-earlier figure to compare
- Operating marginnot reported (Revenue not reported)No year-earlier figure to compare
- Net marginnot reported (Revenue not reported)No year-earlier figure to compare
- Diluted EPSnot reported (Diluted EPS not reported)No year-earlier figure to compare
- Free cash flow$5.1mFree cash flow, Q1 FY2012, three months to 2012-03-31. operating cash flow − capital expenditureOperating cash flow: $103.8m. XBRL concept
us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2012-05-10, accession 0001193125-12-222586.Capital expenditure: $98.7m. XBRL conceptus-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2012-05-10, accession 0001193125-12-222586.Report this figureSign changed from a year earlier
Last eight quarters
Full statements| Line item | Unit | period not labelled2010-06-30 | period not labelled2010-09-30 | period not labelled2010-12-31 | period not labelled2011-03-31 | Q2 FY20112011-06-30 | Q3 FY20112011-09-30 | Q4 FY20112011-12-31 | Q1 FY20122012-03-31 | Shape over the periods |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $m | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | |
| Gross margin | % | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | |
| Operating margin | % | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | |
| Net margin | % | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | |
| Diluted EPS | $ per share | not reported (Diluted EPS not reported) | not reported (Diluted EPS not reported) | not reported (Diluted EPS not reported) | not reported (Diluted EPS not reported) | not reported (Diluted EPS not reported) | not reported (Diluted EPS not reported) | not reported (Diluted EPS not reported) | not reported (Diluted EPS not reported) | |
| Free cash flow | $m | not reported (Operating cash flow and Capital expenditure not reported) | 152Free cash flow, period not labelled, three months to 2010-09-30. operating cash flow − capital expenditureOperating cash flow: $224.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2011-11-07, accession 0001193125-11-299941. Derived: 9-month figure less the 6-month figure.Capital expenditure: $71.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2011-11-07, accession 0001193125-11-299941. Derived: 9-month figure less the 6-month figure.Report this figure | 86.0Free cash flow, period not labelled, three months to 2010-12-31. operating cash flow − capital expenditureOperating cash flow: $186.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2012-02-07, accession 0001193125-12-043962. Derived: 12-month figure less the 9-month figure.Capital expenditure: $100.6m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2012-02-07, accession 0001193125-12-043962. Derived: 12-month figure less the 9-month figure.Report this figure | (24.9)Free cash flow, period not labelled, three months to 2011-03-31. operating cash flow − capital expenditureOperating cash flow: $47.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2012-05-10, accession 0001193125-12-222586.Capital expenditure: $72.8m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2012-05-10, accession 0001193125-12-222586.Report this figure | 229Free cash flow, Q2 FY2011, three months to 2011-06-30. operating cash flow − capital expenditureOperating cash flow: $317.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2011-08-09, accession 0001193125-11-216177. Derived: 6-month figure less the 3-month figure.Capital expenditure: $88.8m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2011-08-09, accession 0001193125-11-216177. Derived: 6-month figure less the 3-month figure.Report this figure | 147Free cash flow, Q3 FY2011, three months to 2011-09-30. operating cash flow − capital expenditureOperating cash flow: $226.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2011-11-07, accession 0001193125-11-299941. Derived: 9-month figure less the 6-month figure.Capital expenditure: $80.2m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2011-11-07, accession 0001193125-11-299941. Derived: 9-month figure less the 6-month figure.Report this figure | (10.3)Free cash flow, Q4 FY2011, three months to 2011-12-31. operating cash flow − capital expenditureOperating cash flow: $129.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2012-02-07, accession 0001193125-12-043962. Derived: 12-month figure less the 9-month figure.Capital expenditure: $139.4m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2012-02-07, accession 0001193125-12-043962. Derived: 12-month figure less the 9-month figure.Report this figure | 5.1Free cash flow, Q1 FY2012, three months to 2012-03-31. operating cash flow − capital expenditureOperating cash flow: $103.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2012-05-10, accession 0001193125-12-222586.Capital expenditure: $98.7m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2012-05-10, accession 0001193125-12-222586.Report this figure |
Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.
Last five fiscal years
| Line item | Unit | FY2009-12-31 | FY2010-12-31 | FY20112011-12-31 | Shape over the periods |
|---|---|---|---|---|---|
| Revenue | $m | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | |
| Gross margin | % | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | not reported (Gross profit and Revenue not reported) | |
| Operating margin | % | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | |
| Net margin | % | not reported (Revenue not reported) | not reported (Revenue not reported) | not reported (Revenue not reported) | |
| Diluted EPS | $ per share | not reported (Diluted EPS not reported) | not reported (Diluted EPS not reported) | not reported (Diluted EPS not reported) | |
| Free cash flow | $m | 204Free cash flow, period not labelled, twelve months to 2009-12-31. operating cash flow − capital expenditureOperating cash flow: $523.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2012-02-07, accession 0001193125-12-043962.Capital expenditure: $319.5m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2012-02-07, accession 0001193125-12-043962.Report this figure | 247Free cash flow, period not labelled, twelve months to 2010-12-31. operating cash flow − capital expenditureOperating cash flow: $556.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2012-02-07, accession 0001193125-12-043962.Capital expenditure: $308.6m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2012-02-07, accession 0001193125-12-043962.Report this figure | 340Free cash flow, FY2011, twelve months to 2011-12-31. operating cash flow − capital expenditureOperating cash flow: $721.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2012-02-07, accession 0001193125-12-043962.Capital expenditure: $381.2m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2012-02-07, accession 0001193125-12-043962.Report this figure |
Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.
Insider purchases and sales
All insider transactionsThe last 20 open-market transactions reported on Form 4 (codes P and S). The reported price is the price per share the insider stated on the form: filing data, not a market price.
No open-market purchases or sales by insiders are in coverage from Dec 2024 to Nov 2026.
No open-market purchases or sales by insiders are in coverage for this company.
Funds that report holding it
All fundsFrom each manager's latest Form 13F, largest reported value first. Reported value is as filed at the quarter end: filing data, not a price. A put or call is an option position, not shares held.
None of the funds in coverage reports a position in this company in its latest 13F.
Recent filings
All 265 filingsReports and events: 10-K, 10-Q, 8-K, proxy statements and ownership schedules.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-08-0316:34 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001628280-26-051906 |
| 2026-07-3016:18 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-088698 |
| 2026-05-1316:10 ET | 8-K | 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-26-060236 |
| 2026-05-0716:56 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001628280-26-032278 |
| 2026-05-0616:20 ET | 8-K | 2.02 Results of operations; 5.07 Shareholder vote results; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-056267 |
| 2026-03-3117:20 ET | 8-K | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-037912 |
| 2026-02-1714:10 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001628280-26-008461 |
| 2026-02-1216:21 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-014302 |
| 2026-01-3016:15 ET | 8-K | 5.05 Item not in the standard list; 9.01 Financial statements and exhibits | 0001104659-26-008649 |
| 2025-11-0613:47 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001628280-25-050033 |
Latest annual report
Form 10-K for the fiscal year ended Dec 31, 2025Filed Feb 17, 2026. Its page lists the documents and the extracted sections, such as Business and Risk factors.
Forecast league
Not in this season’s league. The league lists companies whose quarter has ended and whose results are not yet filed.This season’s league
About the filer
- CIK
- 13372
- Tickers
- NSARO, NSARP
- Exchange
- OTC
- SIC code
- 4911 Electric Services
- Sector
- Utilities
- Fiscal year ends
- Dec 31
- Incorporated in
- MA
- Filer category
- not reported
- Former names
- BOSTON EDISON CO (to 2007-01-05)
Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:17 ET. Listed shows no prices and gives no investment advice.