Connecticut Light and Power Asbestos Exposure
The Connecticut Light and Power Company (CL&P) served Connecticut through electric generation, transmission and distribution facilities. Its historical stations could place workers near steam equipment and other materials that warrant an asbestos investigation. The official records reviewed for this page document CL&P’s utility operations and changes in station ownership; they do not establish that CL&P manufactured an asbestos product or identify an asbestos-containing material at a particular CL&P site.
CL&P still appears in official documents as a company doing business as Eversource Energy. A worker evaluating possible exposure needs the exact site, employment dates, tasks and manufacturer of any disturbed material. This page separates older generating stations from substations and power lines, and explains which evidence can support a careful review.
🏢 CL&P Operations and the Eversource Name
CL&P was an electric utility, not a maker of asbestos insulation. A Connecticut state record discusses its plan to divest interests in Millstone nuclear generating assets around 2000. That record is useful for establishing that a company named CL&P held an interest in a generating facility, but it says nothing about asbestos exposure. More recently, a 2023 filing to the Connecticut Siting Council identifies The Connecticut Light and Power Company as doing business as Eversource Energy in connection with work at Mystic Substation.
| Record | Documented fact | Limit |
|---|---|---|
| Millstone divestiture docket | CL&P sought approval for nuclear generating asset divestiture. | No asbestos finding. |
| 2023 Mystic filing | CL&P identifies itself as doing business as Eversource. | Present substation work is not historic plant exposure. |
| 2026 federal transmission notice | Lists CL&P among transmission owners represented by Eversource. | Does not establish old materials. |
| Name | What to check |
|---|---|
| Connecticut Light and Power | Historical facility, payroll and purchase documents. |
| CL&P | Abbreviation in job, station and regulatory files. |
| Eversource Energy | Business name in a later state filing. |
| Other station operator | Ownership after a generating asset sale. |
| Equipment supplier | Actual maker of insulation, seal or component. |
The Eversource name is relevant for locating records, but a modern brand does not prove who controlled a site decades earlier. Likewise, CL&P’s link to a generating station does not mean it supplied every material installed there. Preserve the legal name, owner and dates appearing in original plant records.
⚙️ Steam Equipment and Electrical Materials to Check
Historically, asbestos was used in some heat-resistant insulation and other commercial products, according to the Environmental Protection Agency. A power station may have boilers, turbines, steam piping and valves that require thermal control or sealing. A substation has a different equipment mix. Neither the CL&P state filings nor the federal notice reviewed here identify the asbestos content of a specific component. Each item below is a research lead, not a confirmed CL&P asbestos product.
| Area | Material to identify | Record needed |
|---|---|---|
| Boiler room | Thermal insulation or sealing material. | Unit number and old specifications. |
| Steam piping | Pipe covering and flange gaskets. | Insulation contractor and parts invoices. |
| Turbine area | Nearby insulation or equipment seals. | Outage logs and manufacturer drawings. |
| Substation building | Historic building products or equipment. | Age, composition and renovation files. |
| Maintenance shop | Stocked gaskets and protective products. | Purchase orders and inventory. |
| Stage | Who may supply it | What to establish |
|---|---|---|
| Initial construction | Equipment vendor or contractor. | Original product composition. |
| Scheduled maintenance | Utility stores or repair vendor. | Identity of replacement part. |
| Outage refurbishment | Separate insulation trade. | Removal work near the employee. |
| Post-sale work | New site owner. | Operator during the person’s shift. |
For electrical equipment, do not assume that a transformer, cable or switch automatically contained asbestos because it was installed in an old facility. Identify a particular material and credible evidence of its composition. An installation drawing may list one product; later work orders may show that it was replaced before the person worked there.
👷 Generation Workers, Substation Crews and Contractors
Generating stations and transmission facilities call for different exposure histories. The Connecticut state divestiture file concerns Millstone generating assets. CL&P’s 2023 Mystic filing instead describes a substation with transformers, transmission lines and feeders. Those documents establish facility types, not asbestos hazards. A worker should first match their trade and dates to the right property; being employed by CL&P alone cannot identify the material handled.
| Role | Relevant work detail | Possible document |
|---|---|---|
| Station mechanic | Steam equipment repair and location. | Maintenance work order. |
| Boilermaker | Unit, outage and adjacent insulation. | Contractor job assignment. |
| Pipefitter | Line and sealing product replaced. | Parts purchase record. |
| Insulator | Specific covering installed or removed. | Material specification. |
| Electrician | Building, panel and nearby work. | Project and renovation file. |
| Substation crew | Equipment worked on and date. | Facility service log. |
| Facility | Official record | Still to prove |
|---|---|---|
| Millstone generating assets | Connecticut state divestiture proceeding. | Material, task and operating dates. |
| Mystic Substation | 2023 CL&P siting filing. | Any asbestos-containing item. |
| Other legacy station | Need contemporaneous owner records. | Connection to CL&P and worker. |
| Transmission corridor | Utility operating territory. | Actual material exposure, if any. |
Millstone’s divestiture history also makes the date of work essential. A later contractor or owner may appear in records from the same physical site. For broader historical context on steam generating facilities, see the power plant asbestos exposure guide. It does not replace the evidence for an individual CL&P job.
Worked for CL&P at a generating station? Call 800.291.0963. Live chat is available 24/7, 365 days a year.
🌫️ When Historical Utility Work Could Release Fibers
The National Cancer Institute explains that disturbing an asbestos-containing product can release tiny fibers into the air. At an older generating station, removal of confirmed asbestos pipe covering or seals could create a potential pathway for the person doing the work and for coworkers nearby. The statement is conditional: these records do not establish that a named CL&P station contained any particular asbestos product.
| Task | Possible disturbance | Confirm |
|---|---|---|
| Open a steam valve | Old packing or flange gasket. | Material and replacement maker. |
| Repair insulated pipe | Cut or strip covering. | Composition and proximity. |
| Service a boiler | Remove heat-resistant material. | Unit, part and date. |
| Renovate an old building | Disturb wall or floor product. | Survey and contractor record. |
| Clean up after an outage | Handle dust or debris. | Source and work method. |
| Factor | Question |
|---|---|
| Specific material | Was asbestos independently identified? |
| Task | Was the material disturbed? |
| Duration | How long did the work take? |
| Frequency | Did the repair occur repeatedly? |
| Distance | How close was the individual? |
| Time period | Was the old product still installed? |
Outdoor line work should not be described as the same exposure setting as an enclosed boiler room. Some employees had assignments across several locations, so make a separate timeline for each. NCI associates asbestos with mesothelioma and lung cancer, but a diagnosis by itself cannot identify which facility or product contributed to one person’s illness.
⚖️ CL&P Claims and Compensation Questions
A possible claim depends on the location, product, exposure evidence and governing law. The public primary materials reviewed for this page do not establish a CL&P asbestos product, a company-specific asbestos verdict, a dedicated CL&P bankruptcy trust or a standard payout. Do not infer liability from the utility’s association with a generating plant, or from another company’s insulation used at that property.
| Route | First question |
|---|---|
| Claim involving site operator | Who controlled the facility when work occurred? |
| Claim involving product maker | Who supplied the asbestos-containing material? |
| Workers’ compensation | Which employer and state rules apply? |
| Manufacturer trust | Is a particular eligible product identified? |
| Family or estate claim | What diagnosis, authority and deadline apply? |
| Issue | Evidence to request |
|---|---|
| Company name | Employment and current entity records. |
| Site ownership | Sale, operation and contract dates. |
| Product identification | Invoices, packaging and specifications. |
| Exposure | Task, witness and proximity details. |
| Medical history | Diagnosis and relevant records. |
| Filing period | Applicable law and individual dates. |
The Connecticut Workers’ Compensation Commission provides a records and information request service that may help locate claims materials. That service does not determine whether any particular asbestos claim qualifies. A qualified reviewer can assess potential defendants and deadlines after the underlying site and product are identified.
📚 Primary Records and Evidence Limits
The most useful company-specific documents located here concern corporate identity and site type. The Connecticut Siting Council filing expressly names CL&P as doing business as Eversource and describes equipment at Mystic Substation. The state’s Millstone proceeding concerns divestiture of nuclear generating assets. A federal transmission notice confirms that CL&P remains a named utility in current filings. None of these documents is an asbestos survey or medical finding.
| Primary source | Supports | Does not support |
|---|---|---|
| Connecticut Siting Council filing, 2023 | Eversource business name; Mystic equipment. | Asbestos at Mystic. |
| Connecticut nuclear advisory record | Millstone asset divestiture proceeding. | Individual worker exposure. |
| Federal Register notice, 2026 | CL&P named among transmission owners. | Materials in historical stations. |
| EPA asbestos overview | General historical material uses. | CL&P product identification. |
| NCI asbestos page | Exposure and disease context. | Causation in a specific person. |
| Claim | Status after review |
|---|---|
| CL&P is identified as doing business as Eversource. | Supported by state filing. |
| CL&P had an interest in Millstone generating assets. | Supported by state docket. |
| Mystic Substation contained asbestos. | Not shown by reviewed record. |
| CL&P manufactured asbestos equipment. | Not established. |
| Every utility employee experienced asbestos exposure. | Not established. |
Older asbestos site lists may mention CL&P, but a list alone cannot prove a dated employee exposure or identify a manufacturer. Seek historical drawings, asbestos surveys, removal specifications, invoices or sworn testimony about the specific job. Separating documented site history from suggested exposure helps a worker focus on records that could actually resolve the question.
🗂️ Evidence to Collect for a CL&P Work History
Write down every work location and the dates there, including periods at a plant before or after a sale. Note whether CL&P employed the person directly or whether they worked for a contractor. If an old plant was rebuilt, document the exact unit and outage. These details let a reviewer compare the worker’s presence with material purchase and removal records.
| Document | What it can show |
|---|---|
| Payroll or union file | Employer, trade and work period. |
| Station assignment record | Physical location and shift. |
| Outage and service logs | Equipment opened or insulation removed. |
| Material specification | Product and potential composition. |
| Vendor and contractor invoices | Who supplied or installed the product. |
| Abatement survey | Identified asbestos in a specific area. |
| Medical documentation | Diagnosis and treatment dates. |
| Check | Reason |
|---|---|
| Same site? | A substation and generating station differ. |
| Same owner and year? | Generating assets may change hands. |
| Same unit? | Large plants contain multiple work areas. |
| Same material? | Replacement part may differ from original. |
| Same task? | Presence at site alone does not show disturbance. |
Ask coworkers to describe the location, actual repair and frequency of the work in their own words; then compare those accounts with dated documents. For related suppliers and facilities, browse the power and electrical companies category and the asbestos companies directory. Treat each company’s role independently.
❓ Frequently Asked Questions
What was Connecticut Light and Power?
CL&P was a Connecticut electric utility involved historically with generating assets and, in later records, transmission and distribution facilities.
Is CL&P the same as Eversource?
A 2023 Connecticut filing identifies The Connecticut Light and Power Company as doing business as Eversource Energy. Preserve the exact employer and dates from older records.
Did CL&P manufacture asbestos products?
The primary records reviewed do not establish CL&P as an asbestos product manufacturer. Identify the supplier of each suspect material separately.
Is asbestos confirmed at Mystic Substation?
No. The cited state filing describes substation equipment and proposed work but does not identify asbestos there.
Was CL&P involved with Millstone?
Yes. A Connecticut state record discusses a CL&P plan to divest Millstone nuclear generating assets; it is not an asbestos-exposure report.
Could a former power station worker have been exposed?
Potentially, if asbestos-containing material was present and disturbed during that person’s work. The site, part, task and dates need individual confirmation.
Is there a CL&P asbestos trust?
No dedicated CL&P asbestos trust was verified in the primary materials reviewed. A separate manufacturer’s trust requires evidence of its product.
What should I gather first?
Employment dates, station and unit, work orders, material records, coworker names and medical documentation are the useful starting points.
📝 Summary
Official records confirm CL&P’s historic interest in generation, its current Eversource business name in a state filing and its continuing identity in transmission documents. They do not confirm asbestos in a particular facility or product. A reliable exposure review must match the worker to a dated site, a specific material and the work that disturbed it.
| Issue | Next step |
|---|---|
| Site | Identify station or substation. |
| Period | Verify operator and work dates. |
| Material | Check asbestos composition. |
| Exposure | Document task and proximity. |
| Party | Trace employer and product supplier. |
🔗 Confirmed Sources
- Connecticut Siting Council — CL&P Mystic Substation Filing (October 18, 2023)
- Connecticut Nuclear Energy Advisory Council — 2000 Report, Millstone Divestiture Docket
- Federal Energy Regulatory Commission — Participating Transmission Owners Notice (August 7, 2026)
- Connecticut Workers’ Compensation Commission — eServices and Records Requests
- U.S. Environmental Protection Agency — Learn About Asbestos
- National Cancer Institute — Asbestos
📞 Submit Your Case
If you or a relative worked at a historical CL&P facility and later received an asbestos-related diagnosis, collect the station, employer, work dates, material and medical records for an individual review.
Need help now? Call 800.291.0963
Live chat is available 24/7, 365 days a year.
Submit Your Case
General information only; not medical or legal advice. Exposure and eligibility depend on individual evidence and applicable law.