ANAHEIM, Calif.–(BUSINESS WIRE)—- $WLDN–Willdan Group, Inc. (NASDAQ: WLDN) announced today that it has acquired Alternative Power Generation, Inc. (APG), an electrical engineering and construction management firm, in a stock purchase that closed on March 3. APG adds significant expertise in data center substation design and construction management, microgrids, EV charging stations, and renewable energy projects for the commercial sector. This expertise strengthens Willdan’s position in electrical eng