Civic Intelligence

Great River Hydro LLC

Plan context: GREAT RIVER HYDRO IBEW 486 SAVINGS PLAN

EIN 98-0435819 • Westborough, MA • 42 filings • 5 plans

69 Milk StreetSuite 308Westborough, MA 01581
Current Snapshot

Latest Year

2025

2025 Participants

68

2025 Assets

$25,878,058

2025 Contributions

$3,519,356

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$41,129,289$20,564,645$0201720212025YearValue
$25,878,058Latest year 2025

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

146730201720212025YearValue
68Latest year 2025

Company Timeline

Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.

Year / FilingFilingsParticipantsAssetsContributionsContrib./Participant
2025268$25,878,058$3,519,356$51,755iApproximate average salary by contribution assumption: employee only about $1,293,881 at 4% or $862,587 at 6%; with 50% employer match about $862,587 at 4% or $575,058 at 6%; with 100% employer match about $646,940 at 4% or $431,294 at 6%.
GREAT RIVER HYDRO IBEW 486 SAVINGS PLAN-68$13,985,755$1,144,201$16,826iApproximate average salary by contribution assumption: employee only about $420,662 at 4% or $280,441 at 6%; with 50% employer match about $280,441 at 4% or $186,961 at 6%; with 100% employer match about $210,331 at 4% or $140,221 at 6%.
Great River Hydro 401(K) Savings Plan-59$11,892,303$2,375,155$40,257iApproximate average salary by contribution assumption: employee only about $1,006,422 at 4% or $670,948 at 6%; with 50% employer match about $670,948 at 4% or $447,298 at 6%; with 100% employer match about $503,211 at 4% or $335,474 at 6%.
20245146$41,129,289$3,309,333$22,667iApproximate average salary by contribution assumption: employee only about $566,667 at 4% or $377,778 at 6%; with 50% employer match about $377,778 at 4% or $251,852 at 6%; with 100% employer match about $283,333 at 4% or $188,889 at 6%.
GREAT RIVER HYDRO IBEW 486 SAVINGS PLAN-67$12,252,762$971,381$14,498iApproximate average salary by contribution assumption: employee only about $362,456 at 4% or $241,637 at 6%; with 50% employer match about $241,637 at 4% or $161,091 at 6%; with 100% employer match about $181,228 at 4% or $120,819 at 6%.
GREAT RIVER HYDRO RETIREMENT PLAN FOR NON-BARGAINING UNIT EMPLOYEES-0$11,489,584$584,000-
Great River Hydro 401(K) Savings Plan-52$9,060,898$1,200,952$23,095iApproximate average salary by contribution assumption: employee only about $577,381 at 4% or $384,921 at 6%; with 50% employer match about $384,921 at 4% or $256,614 at 6%; with 100% employer match about $288,690 at 4% or $192,460 at 6%.
Great River Hydro Retirement Plan for Bargaining Unit Employees-0$8,326,045$553,000-
Great River Hydro LLC Employee Benefit Plan-146---
20235102$36,192,149$4,136,125$40,550iApproximate average salary by contribution assumption: employee only about $1,013,756 at 4% or $675,837 at 6%; with 50% employer match about $675,837 at 4% or $450,558 at 6%; with 100% employer match about $506,878 at 4% or $337,919 at 6%.
GREAT RIVER HYDRO IBEW 486 SAVINGS PLAN-60$10,789,658$876,307$14,605iApproximate average salary by contribution assumption: employee only about $365,128 at 4% or $243,419 at 6%; with 50% employer match about $243,419 at 4% or $162,279 at 6%; with 100% employer match about $182,564 at 4% or $121,709 at 6%.
GREAT RIVER HYDRO RETIREMENT PLAN FOR NON-BARGAINING UNIT EMPLOYEES-0$10,344,337$1,355,000-
Great River Hydro 401(K) Savings Plan-51$7,661,318$1,116,818$21,898iApproximate average salary by contribution assumption: employee only about $547,460 at 4% or $364,973 at 6%; with 50% employer match about $364,973 at 4% or $243,315 at 6%; with 100% employer match about $273,730 at 4% or $182,487 at 6%.
Great River Hydro Retirement Plan for Bargaining Unit Employees-0$7,396,836$788,000-
Great River Hydro LLC Employee Benefit Plan-102---
20225102$30,330,950$2,735,658$26,820iApproximate average salary by contribution assumption: employee only about $670,504 at 4% or $447,003 at 6%; with 50% employer match about $447,003 at 4% or $298,002 at 6%; with 100% employer match about $335,252 at 4% or $223,501 at 6%.
GREAT RIVER HYDRO IBEW 486 SAVINGS PLAN-60$9,101,578$1,031,279$17,188iApproximate average salary by contribution assumption: employee only about $429,700 at 4% or $286,466 at 6%; with 50% employer match about $286,466 at 4% or $190,978 at 6%; with 100% employer match about $214,850 at 4% or $143,233 at 6%.
GREAT RIVER HYDRO RETIREMENT PLAN FOR NON-BARGAINING UNIT EMPLOYEES-0$8,176,337$80,000-
Great River Hydro 401(K) Savings Plan-51$6,935,151$1,049,379$20,576iApproximate average salary by contribution assumption: employee only about $514,401 at 4% or $342,934 at 6%; with 50% employer match about $342,934 at 4% or $228,623 at 6%; with 100% employer match about $257,201 at 4% or $171,467 at 6%.
Great River Hydro Retirement Plan for Bargaining Unit Employees-0$6,117,884$575,000-
Great River Hydro LLC Employee Benefit Plan-102---
20215106$34,555,154$3,242,578$30,590iApproximate average salary by contribution assumption: employee only about $764,759 at 4% or $509,839 at 6%; with 50% employer match about $509,839 at 4% or $339,893 at 6%; with 100% employer match about $382,379 at 4% or $254,920 at 6%.
GREAT RIVER HYDRO IBEW 486 SAVINGS PLAN-56$10,603,226$1,041,226$18,593iApproximate average salary by contribution assumption: employee only about $464,833 at 4% or $309,889 at 6%; with 50% employer match about $309,889 at 4% or $206,592 at 6%; with 100% employer match about $232,417 at 4% or $154,944 at 6%.
GREAT RIVER HYDRO RETIREMENT PLAN FOR NON-BARGAINING UNIT EMPLOYEES-0$9,586,429$834,000-
Great River Hydro 401(K) Savings Plan-52$7,688,355$1,027,352$19,757iApproximate average salary by contribution assumption: employee only about $493,919 at 4% or $329,279 at 6%; with 50% employer match about $329,279 at 4% or $219,520 at 6%; with 100% employer match about $246,960 at 4% or $164,640 at 6%.
Great River Hydro Retirement Plan for Bargaining Unit Employees-0$6,677,144$340,000-
Great River Hydro LLC Employee Benefit Plan-106---
20205104$29,070,834$4,018,602$38,640iApproximate average salary by contribution assumption: employee only about $966,010 at 4% or $644,007 at 6%; with 50% employer match about $644,007 at 4% or $429,338 at 6%; with 100% employer match about $483,005 at 4% or $322,003 at 6%.
GREAT RIVER HYDRO IBEW 486 SAVINGS PLAN-61$9,751,421$1,129,102$18,510iApproximate average salary by contribution assumption: employee only about $462,747 at 4% or $308,498 at 6%; with 50% employer match about $308,498 at 4% or $205,665 at 6%; with 100% employer match about $231,373 at 4% or $154,249 at 6%.
GREAT RIVER HYDRO RETIREMENT PLAN FOR NON-BARGAINING UNIT EMPLOYEES-48$7,766,015$968,143$20,170iApproximate average salary by contribution assumption: employee only about $504,241 at 4% or $336,161 at 6%; with 50% employer match about $336,161 at 4% or $224,107 at 6%; with 100% employer match about $252,121 at 4% or $168,080 at 6%.
Great River Hydro 401(K) Savings Plan-51$5,878,439$1,160,176$22,749iApproximate average salary by contribution assumption: employee only about $568,714 at 4% or $379,142 at 6%; with 50% employer match about $379,142 at 4% or $252,762 at 6%; with 100% employer match about $284,357 at 4% or $189,571 at 6%.
Great River Hydro Retirement Plan for Bargaining Unit Employees-67$5,674,959$761,181$11,361iApproximate average salary by contribution assumption: employee only about $284,023 at 4% or $189,349 at 6%; with 50% employer match about $189,349 at 4% or $126,232 at 6%; with 100% employer match about $142,011 at 4% or $94,674 at 6%.
Great River Hydro LLC Employee Benefit Plan-104---
20195130$22,412,609$3,639,265$27,994iApproximate average salary by contribution assumption: employee only about $699,859 at 4% or $466,572 at 6%; with 50% employer match about $466,572 at 4% or $311,048 at 6%; with 100% employer match about $349,929 at 4% or $233,286 at 6%.
GREAT RIVER HYDRO IBEW 486 SAVINGS PLAN-61$7,694,345$989,705$16,225iApproximate average salary by contribution assumption: employee only about $405,617 at 4% or $270,411 at 6%; with 50% employer match about $270,411 at 4% or $180,274 at 6%; with 100% employer match about $202,808 at 4% or $135,206 at 6%.
GREAT RIVER HYDRO RETIREMENT PLAN FOR NON-BARGAINING UNIT EMPLOYEES-48$6,005,774$915,856$19,080iApproximate average salary by contribution assumption: employee only about $477,008 at 4% or $318,006 at 6%; with 50% employer match about $318,006 at 4% or $212,004 at 6%; with 100% employer match about $238,504 at 4% or $159,003 at 6%.
Great River Hydro Retirement Plan for Bargaining Unit Employees-67$4,385,747$687,291$10,258iApproximate average salary by contribution assumption: employee only about $256,452 at 4% or $170,968 at 6%; with 50% employer match about $170,968 at 4% or $113,979 at 6%; with 100% employer match about $128,226 at 4% or $85,484 at 6%.
Great River Hydro 401(K) Savings Plan-52$4,326,743$1,046,413$20,123iApproximate average salary by contribution assumption: employee only about $503,083 at 4% or $335,389 at 6%; with 50% employer match about $335,389 at 4% or $223,593 at 6%; with 100% employer match about $251,542 at 4% or $167,694 at 6%.
Great River Hydro LLC Employee Benefit Plan-130---
20185134$16,210,171$3,307,864$24,686iApproximate average salary by contribution assumption: employee only about $617,139 at 4% or $411,426 at 6%; with 50% employer match about $411,426 at 4% or $274,284 at 6%; with 100% employer match about $308,569 at 4% or $205,713 at 6%.
GREAT RIVER HYDRO IBEW 486 SAVINGS PLAN-61$5,572,332$960,637$15,748iApproximate average salary by contribution assumption: employee only about $393,704 at 4% or $262,469 at 6%; with 50% employer match about $262,469 at 4% or $174,979 at 6%; with 100% employer match about $196,852 at 4% or $131,235 at 6%.
GREAT RIVER HYDRO RETIREMENT PLAN FOR NON-BARGAINING UNIT EMPLOYEES-48$4,297,554$732,471$15,260iApproximate average salary by contribution assumption: employee only about $381,495 at 4% or $254,330 at 6%; with 50% employer match about $254,330 at 4% or $169,553 at 6%; with 100% employer match about $190,748 at 4% or $127,165 at 6%.
Great River Hydro 401(K) Savings Plan-55$3,188,105$1,071,208$19,477iApproximate average salary by contribution assumption: employee only about $486,913 at 4% or $324,608 at 6%; with 50% employer match about $324,608 at 4% or $216,406 at 6%; with 100% employer match about $243,456 at 4% or $162,304 at 6%.
Great River Hydro Retirement Plan for Bargaining Unit Employees-65$3,152,180$543,548$8,362iApproximate average salary by contribution assumption: employee only about $209,057 at 4% or $139,371 at 6%; with 50% employer match about $139,371 at 4% or $92,914 at 6%; with 100% employer match about $104,528 at 4% or $69,686 at 6%.
Great River Hydro LLC Employee Benefit Plan-134---
20175120$14,418,553$8,373,484$69,779iApproximate average salary by contribution assumption: employee only about $1,744,476 at 4% or $1,162,984 at 6%; with 50% employer match about $1,162,984 at 4% or $775,323 at 6%; with 100% employer match about $872,238 at 4% or $581,492 at 6%.
GREAT RIVER HYDRO IBEW 486 SAVINGS PLAN-65$5,382,234$5,147,910$79,199iApproximate average salary by contribution assumption: employee only about $1,979,965 at 4% or $1,319,977 at 6%; with 50% employer match about $1,319,977 at 4% or $879,985 at 6%; with 100% employer match about $989,983 at 4% or $659,988 at 6%.
GREAT RIVER HYDRO RETIREMENT PLAN FOR NON-BARGAINING UNIT EMPLOYEES-48$3,786,319$457,252$9,526iApproximate average salary by contribution assumption: employee only about $238,152 at 4% or $158,768 at 6%; with 50% employer match about $158,768 at 4% or $105,845 at 6%; with 100% employer match about $119,076 at 4% or $79,384 at 6%.
Great River Hydro Retirement Plan for Bargaining Unit Employees-65$2,806,869$366,177$5,633iApproximate average salary by contribution assumption: employee only about $140,837 at 4% or $93,892 at 6%; with 50% employer match about $93,892 at 4% or $62,594 at 6%; with 100% employer match about $70,419 at 4% or $46,946 at 6%.
Great River Hydro 401(K) Savings Plan-51$2,443,131$2,402,145$47,101iApproximate average salary by contribution assumption: employee only about $1,177,522 at 4% or $785,015 at 6%; with 50% employer match about $785,015 at 4% or $523,343 at 6%; with 100% employer match about $588,761 at 4% or $392,507 at 6%.
Great River Hydro LLC Employee Benefit Plan-120---